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Question 1178575: The mean of the probability distribution of the number of personal computers sold daily in the PC world shop is 2. This implies that in the_____,we expect that the _______of personal computers that will be sold in PC world shop will be_____.
Click here to see answer by CPhill(1959) About Me 

Question 1178466: Number of Violation (x) Probability P(X)
0 0.41,0.22,0.17,0.13,0.05,0.02
1
2
3
4
5
a.solve for the mean and variance.
b.Interpret the mean and the variance of the problem.

Click here to see answer by CPhill(1959) About Me 

Question 1178454: A demand equation of gasoline is given as QD(G)= 7.5 - 0.5p(G) + 0.1(I) - 0.5P(A). Given that a consumer income (I) and price of automobiles (PA) are constant at$60 per year and $30 respectively.
(a) Express the equation as a relationship between quantity of gasoline demand and gasoline price.
(b) calculate the Y-intercept of the equation in (a) above.
(c) if per household annual income were to fall to$50 per year, while price of automobiles remain constant, show that, there will be an inward shift in the demand curve and not a movement along the demand curve.

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Question 1177748: a class of 26 boys were each require to have certain text books in english french and mathematics. 19 boys had the english books, 23 had the french books and 15 had the mathematics. 16 boys had both the english and french books, 14 had the french and mathematics and 13 had both mathematics and the english books. illustrate on a venn diagram.
how many boys had all the three books.
two books only.
english and french but not mathematics.
only french books.
only one books.

Click here to see answer by CPhill(1959) About Me 

Question 1177706: three-year treasury securities currently yield 6%, while 4-year treasury securities currently yield 6.5%. assume that the expectations theory holds. what does the market believe the rate will be on 1-year treasury securities three years from now?
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Question 1209785: A woman invests $72,000 in two ways - some at 5% and the remaining amount at 3%. Her total annual interest income is $4,130. Find the amount she invests at each rate.
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Question 1209785: A woman invests $72,000 in two ways - some at 5% and the remaining amount at 3%. Her total annual interest income is $4,130. Find the amount she invests at each rate.
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Question 1177631: Out of pocket costs for an investment are $50,000. The net profit each year is $17,132. This investor's ROI is ___ percent (rounded to the nearest two decimal places)

Once again, I would like to see the calculations & answers please. It's very important!
Homework question from Hans Beauvoir

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Question 1177628: If an individual determines that they would like to retire in 20 years with $500,000 as the future value that is in their IRA, which earns 6% compounded monthly, how much money (rounded to the nearest cent) should they be putting away into the account each month?
I need to see the calculations & answers please!
Homework question from Hans Beauvoir

Click here to see answer by CPhill(1959) About Me 

Question 1177408: Beginning in​ January, a person plans to deposit ​$10 at the end of each month into an account earning 6​% compounded monthly. Each year taxes must be paid on the interest earned during that year. Find the interest earned during each year for the first 3 years.

Homework question from Hans Beauvoir

Click here to see answer by CPhill(1959) About Me 

Question 1177156: The probability of a typographical error on any page is 0.002. If a textbook contains 1,000 pages, using Poisson probability table compute the probability there are:
a. No typos on a page b. At least 2 typos on a page.

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Question 1177086: A consumer goods company recruits several graduating students from universities each year. Concerned about the high cost of training new employees, the company instituted a review of attrition among new recruits. Over five years, 30% of new recruits came from a local university, and the balance came from a more distant universities. Of the new recruits, 20% of those who were students from a local university resigned within two years, while 45% of other students resigned. Given that a student resigned within two years, what is the probability that she hired from
a) a local university?
b) a more distant university?

Click here to see answer by CPhill(1959) About Me 
Question 1177086: A consumer goods company recruits several graduating students from universities each year. Concerned about the high cost of training new employees, the company instituted a review of attrition among new recruits. Over five years, 30% of new recruits came from a local university, and the balance came from a more distant universities. Of the new recruits, 20% of those who were students from a local university resigned within two years, while 45% of other students resigned. Given that a student resigned within two years, what is the probability that she hired from
a) a local university?
b) a more distant university?

Click here to see answer by ikleyn(52781) About Me 

Question 1177075: Acasa Insurance Company offers several plans for home insurance.
Plan A has a $700 yearly premium with a $3,000 deductible.
Plan B has a $1,200 yearly premium with a $1,000 deductible.
Water damage (from broken pipes, overflows, etc.) results in approximately 12% of claims overall, with an average claim being $5,200. What is the expected value (loss or gain) to Acasa for every customer who chooses plan A?
A. -$1,060
B. $436
C. -$360
D. -$100

Click here to see answer by CPhill(1959) About Me 

Question 1177014: The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a standard deviation of 2.65 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.7 inches and a standard deviation of 2.54 inches.
If a man is 6 feet 3 inches tall, what is his z-score (to 4 decimal places)?
z =
If a woman is 5 feet 11 inches tall, what is her z-score (to 4 decimal places)?
z =
Who is relatively taller?
The 6 foot 3 inch American man
The 5 foot 11 inch American woman

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Question 1176939: Once​ Kate's kite reaches a height of 53ft ​(above her​ hands), it rises no higher but drifts due east in a wind blowing 6ft/sec . How fast is the string running through​ Kate's hands at the moment that she has released 122ft of​ string?
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Question 1176661: Find the annual operating cost to the nearest cent.
Original Cost:$17,500
Interest:7%
Depreciation:11%
Expenses:$1,400
Annual operating cost:?

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Question 1176635: Find the annual operating cost to the nearest cent.
Original Cost:$15,600
Interest:5%
Depreciation:12%
Expenses:$1,500
Annual operating cost:?

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Question 1176067: A state lotto has a prize that pays $1,700 each week for 40 years.
Find the total value of the prize: $
Correct
If the state can earn 3% interest on investments, how much money will they need to put into an account now to cover the weekly prize payments?

Click here to see answer by CPhill(1959) About Me 
Question 1176067: A state lotto has a prize that pays $1,700 each week for 40 years.
Find the total value of the prize: $
Correct
If the state can earn 3% interest on investments, how much money will they need to put into an account now to cover the weekly prize payments?

Click here to see answer by ikleyn(52781) About Me 

Question 1175997: John,a client of UMOJA microfinance institution took a loan of TZS 20000000 on 2 January 2018 which charges 24% interest per annum.using reducing balance method.the loan contract indicated that the loan was supposed to be repaid in 3 months period on loan is to be charged upfront as compulsory saving.required
(a) calculate the total payment (PMT) made each period by the client.
(b) determine the interest which a client is actually paying.

Click here to see answer by CPhill(1959) About Me 

Question 1175995: The following is a frequency distribution of ages of residents of a senior citizens' home in New York. Fill in the midpoints, then calculate the mean and the standard deviation. Round to two decimal positions. You may assume the data represents a population.
Ages of Residents:59 - 65, 66 - 72, 73 - 79, 80 - 86
Midpoints:62,69,76,83
Frequency:2,3,4,1
Mean (μ)=
Standard deviation (σ) =
Round the standard deviation up to 2 decimal places if necessary.

Click here to see answer by CPhill(1959) About Me 

Question 1174471: To save for​ retirement, Karla Harby put ​$500 each month into an ordinary annuity for 10 years. Interest was compounded monthly. At the end of the 10 ​years, the annuity was worth ​$84,608. What annual interest rate did she​ receive?
The interest rate she received was approximately ___%

Click here to see answer by CPhill(1959) About Me 
Question 1174471: To save for​ retirement, Karla Harby put ​$500 each month into an ordinary annuity for 10 years. Interest was compounded monthly. At the end of the 10 ​years, the annuity was worth ​$84,608. What annual interest rate did she​ receive?
The interest rate she received was approximately ___%

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Question 1174403: Question 1109914: 1. The Cellphone Company buys iPhones at PhP24,000. Expenses are set at 17% of the selling price and the required profit is set at 20% of the selling price. During a weekend sale, the iPhone is sold at 10% discount.
A. What is the regular selling price of the iPhone?
B. What is the sale price of the iPhone?
C. How much did The Cellphone Company gain or lose when the iPhone was sold during the weekend sale?
2. Appliance Store realizes a mark-up of PhP3,450 in selling TV sets. If its items are sold at a mark-up of 40% of the selling price,

Click here to see answer by CPhill(1959) About Me 

Question 1173952: A spheroid (or oblate spheroid) is a surface obtained by rotating an ellipse around its minor axis the ball in figure 1.41 is in the shape of the lower half of a spheroid that is its horizontal cross-section as circles well its vertical cross-section that pass through the center a semi-ellipse s if this bowl is 10 inch wide at the opening and square root 10 in deep at the center how deep does a circular cover with diameter 9 in go into the bowl
Click here to see answer by CPhill(1959) About Me 
Question 1173952: A spheroid (or oblate spheroid) is a surface obtained by rotating an ellipse around its minor axis the ball in figure 1.41 is in the shape of the lower half of a spheroid that is its horizontal cross-section as circles well its vertical cross-section that pass through the center a semi-ellipse s if this bowl is 10 inch wide at the opening and square root 10 in deep at the center how deep does a circular cover with diameter 9 in go into the bowl
Click here to see answer by ikleyn(52781) About Me 

Question 1173946: In USA there are seven federal tax brackets for the 2020 tax year: 10%, 12%, 22%, 24%, 32%, 35% and 37%. Your bracket depends on your taxable income and filing status. These are the rates for taxes due in April 2021 if you are a single filer.
Taxable Income Tax Rate
$0 to $9,875 10%
$9,876 to $40,125 12%
$40,126 to $85,525 22%
$85,526 to $163,300 24%
$163,301 to $207,350 32%
$207,351 to $518,400 35%
$518,401 or more 37%
Table 2
a) Create a Mathematical Model that represents the aforementioned information to calculate the annual income tax of each slab.
b) How much annual income tax you will have to pay if your monthly taxable income is $13,750.

Click here to see answer by CPhill(1959) About Me 

Question 1173814: Linda borrowed money from a bank that offers an interest rate of 12% compounded monthly. Her monthly amortization for 5 years is $11,122.22. How much is the outstanding balance after the 12th payment?
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Question 1173770: A major city wants to establish a sinking fund to pay off debts of PKR 800 million which come due in 10 years. The city can earn interest at the rate of 8 percent per year compounded monthly. If first deposit is made 1 month from now;
a)What monthly deposit will be required to accumulate the PKR 800 million?
b)How much interest will be earned on these deposits

Click here to see answer by CPhill(1959) About Me 

Question 1173651: Because the parameters used in mathematical models are frequently estimates, actual results may
differ from those projected by the aforementioned mathematical analysis in Part-A. To account for
some of the uncertainties which may exist in a problem, analysts often conduct sensitivity analysis.
The objective is to assess how much a solution might change if there are changes in model
parameters. Assume that the software development costs by outside firms might actually fluctuate
by ±15% from the $2.5 per-line estimate.
Re-compute the breakeven points if the costs are 15 percent higher or lower (compute for both
the cases) and compare your results with the original answer in Part A.

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Question 1173649: A major city wants to establish a sinking fund to pay off debts of PKR 800 million which come
due in 10 years. The city can earn interest at the rate of 8 percent per year compounded monthly.
If first deposit is made 1 month from now;
a) What monthly deposit will be required to accumulate the PKR 800 million?
b) How much interest will be earned on these deposits

Click here to see answer by CPhill(1959) About Me 

Question 1173641: A Leading manufacturer of Action Figures is about to introduce four new Action Figures. The
accompanying table summarizes price and cost data, combined fixed costs equal $85,000. A
marketing research study predicts that for each unit sold of Noyan, 2 units of Dogan, 3 units of
Bamsi and 4 units of Turgut will be sold.
Action Figures
Turgut Bamsi Dogan Noyan
Selling Price (in dollars) 35 26 24 16
Variable Cost/unit(in $) 17 12 12 11
a) How many product mix units must be sold to break even?
b) How does it translate into sales of individual games?

Click here to see answer by CPhill(1959) About Me 

Question 1173639: In USA there are seven federal tax brackets for the 2020 tax year: 10%, 12%, 22%, 24%, 32%,
35% and 37%. Your bracket depends on your taxable income and filing status. These are the
rates for taxes due in April 2021 if you are a single filer.
Taxable Income Tax Rate
$0 to $9,875 10%
$9,876 to $40,125 12%
$40,126 to $85,525 22%
$85,526 to $163,300 24%
$163,301 to $207,350 32%
$207,351 to $518,400 35%
$518,401 or more 37%
a) Create a Mathematical Model that represents the aforementioned information to calculate the
annual income tax of each slab.
b) How much annual income tax you will have to pay if your monthly taxable income is
$13,750.

Click here to see answer by CPhill(1959) About Me 

Question 1173389: On March 1, Wayne Michaels bought 10 bonds from a particular company with a coupon rate of 9.925%. The purchase price was 87.875, and the commission was $8 per bond. Bonds from this particular company pay interest on February 1 and August 1.
What is the total purchase price (in $) of the bonds? (Round your answer to the nearest cent.)
I was able to get the current yield % of 11.3%
I'm having trouble finding the total purchase price.

Click here to see answer by CPhill(1959) About Me 

Question 1173376: A person wants to deposit $10,000 per year for 6 years. If interest is earned at the rate of 10 percent per year, compute the amount to which the deposits will grow by the end of the 6 years if:
(a) Deposits of $10,000 are made at the end of each year with interest compounded annually.
(b) Deposits of $5,000 are made at the end of each 6-month period with interest com¬pounded semiannually.
(c) Deposits of $2,500 are made at the end of every quarter with interest compounded

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Question 1173295: Suppose you are a manager for a certain company. You earn $50,000 per year and are in the 28% federal income tax bracket. Each year you contribute $4,500 tax free to your individual retirement account, IRA. The account earns 7% annual interest. In addition, the amount of tax that you save each year by making these "pre-tax" contributions is invested in a taxable aggressive growth mutual fund averaging 17%.
How much tax do you save (in $) each year by making the retirement fund contributions?

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Question 1173174: A local university is planning to invest $500,000 every 3 months in an investment which earns interest at the rate of 12% per year compounded quarterly. The first investment will be at the end of this current quarter. a) To what sum will be the investment grow at the end of 5 years. b) How much interest will be earned during this period?
Click here to see answer by CPhill(1959) About Me 

Question 1173154: A person wants to deposit $10,000 per year for 6 years. If interest is earned at the rate of
10 percent per year, compute the amount to which the deposits will grow by the end of the 6 years if:
(a) Deposits of $10,000 are made at the end of each year with interest compounded annually.
(b) Deposits of $5,000 are made at the end of each 6-month period with interest com pounded semiannually.
(e) Deposits of $2,500 are made at the end of every quarter with interest compounded

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Question 1173150: Darrell Frye is planning to buy an office building at a cost of $989,000. He must pay 10% down and has a choice of financing terms. He can select from a 9% 30-year loan and pay 4 discount points, a 9.25% 30-year loan and pay 3 discount points, or a 9.5% 30-year loan and pay 2 discount points. Darrell expects to hold the building for two years and then sell it. Except for the three rate and discount point combinations, all other costs of purchasing and selling are fixed and identical.
If Darrell chooses the 4-point 9% loan, what will be his total outlay in points and payments after 24 months?
I got the amount financed = $890,100
I'm having trouble getting the total outlay for the 4-point 9% loan.

Click here to see answer by CPhill(1959) About Me 

Question 1173028: On October 23, you plan to purchase a $1,800 computer by using one of your two credit cards. The Silver Card charges 18% interest and calculates interest based on the balance on the first day of the previous month. The Gold Card charges 18% interest and calculates interest based on the average daily balance. Both cards have a $0 balance as of October 1. The closing date is the end of the month for each card.
Your plan is to make a $600 payment in November, make a $600 payment in December, and pay off the remaining balance in January. All your payments will be received and posted on the 10th of each month. No other charges will be made on the account. (Round your answers to the nearest cent.)
Based on this information, calculate the interest (in $) charged by each card for this purchase.
Silver card: $_____
Gold card: $______

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Question 1173005: If P135,650 is the maturity value of a sum invested at 3.2% compounded semi-annually for 9 years and 6 months, find the present value and the compound interest earned.
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Question 1172942: Please help me solve this question
Mr. John Asiedu borrowed GH¢10,800 from his bank at interest rate of 18% and agreed to pay equal instalments over five years.
You are required to
i.Determine the size of the payment.
ii.Set up amortisation schedule for the loan.

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Question 1172946: Calculate the missing information for the installment loan that is being paid off early.
Number of payments: 36
Payments made: 25
Payments remaining: ____
sum of the digits payments remaining: ____
sum of the digits number of payments: 666
rebate fraction: ____
I was able to get the sum of the digits number of payments by using the sum of digits formula
n(n+1)/2
I'm not sure how to find the rest of the information with the numbers given to me.

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Question 1209832: A body of weight 500N rests on a plane inclined at 20o to the horizontal. The coefficient of friction
is 0.4, determine a force F at an angle of 15o to the plane required to
(a) Pull the body upwards
(b) Push the body downwards
(c) Pull the body downwards
(d) Push the body upwards

Click here to see answer by CPhill(1959) About Me 

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560