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Question 1119751: Emily needs to purchase a new air conditioner for the office. Model 1600A costs $950 to purchase and $32 per month to operate. Model 6070B, a more efficient unit, costs $1275 to purchase and $22 per month to operate.
a) After how many months will the total cost of both units be equal?
b) Which model will be the more cost effective if the life of both units is guaranteed for 10
years?

Click here to see answer by Alan3354(69443)

Question 1119732: Emily needs to purchase a new air conditioner for the office. Model 1600A costs $950 to purchase and $32 per month to operate. Model 6070B, a more efficient unit, costs $1275 to purchase and $22 per month to operate.
a) After how many months will the total cost of both units be equal?
b) Which model will be the more cost effective if the life of both units is guaranteed for 10
years?

Click here to see answer by Alan3354(69443)

Question 1119729: Jim received an inheritance of $15,000. If he wants to invest twice as much money in mutual funds as in bonds, how much should he invest in mutual funds?
Click here to see answer by Boreal(15235)

Question 1119863: The average monthly expenses of a family with one child is 10,000. An additional child means an increase of 3,000 in the the monthly expenses. How does this relation change with the increase of the number of children?
Click here to see answer by Theo(13342)

Question 1119867: How many quarters are equivalent in value to 15(x + y) dimes?
Click here to see answer by ikleyn(52787)

Question 1120055: Use graphical approximation techniques or an equation solver to approximate the desired interest rate. A person makes annual payments of $ 1000 into an ordinary annuity. At the end of 5 years, the amount in the annuity is $ 5703.88. What annual nominal compounding rate has this annuity earned?
Click here to see answer by Boreal(15235)

Question 1120188: The Kwan family purchased their house in 2010 for $100,000. If the value of real estate increases at a rate of 10% per year, how much would their house be worth in 2025?
Click here to see answer by Theo(13342)

Question 1120187: Find the future value of $2000 if it is invested for 4 years at an annual interest rate of 10% compounded every 3 months.

Click here to see answer by Theo(13342)

Question 1120235: A broker brought stocks in two companies for a total investment of $44,000. When he sold them, he gained 12% on the first company and lost 10% on the second company for a total profit of $2200. How much did he invest in each company?

Click here to see answer by ikleyn(52787)

Question 1120246: last year Rita opened an investment account with 5500. At the end of the year the amount in the account has decreased by 22%. How much is this decrease in dollars? How much money was in her account at the end of last year?
Click here to see answer by Shin123(626)

Question 1120243: A sum of money invested at 6percent for a certain period of time yield rpt 960 as interst if this sum had been invested for 5 years more it would have yield rpt 2160 as interst find the sum
Click here to see answer by addingup(3677)

Question 1120329: If you invest $5,900 in an account paying 12.5% compounded continuously, how much money will be in the account at the end of 3.5 years?
Click here to see answer by Theo(13342)

Question 1120452: A manufacture used 5 kg of tobacco to make 4 kg and 200 gm of packets. What percentage of tobacco was used ?
Click here to see answer by josgarithmetic(39617)

Question 1120535: A combined total of $48,000 is invested in two bonds that pay 3% and 7.5% simple interest. The annual interest is $2,880.00. How much is invested in each bond?
Click here to see answer by greenestamps(13200)

Question 1120708: A coincoin sold for $239 in 1980 and was sold again in 1987 for $443. Assume that the growth in the value V of the collector's item was exponential.
a) Find the value k of the exponential growth rate. Assume Vsubscript o=239.
k=?
(Round to the nearest thousandth.)
b) Find the exponential growth function in terms of t, where t is the number of years since 1980.
V(t)=?
c) Estimate the value of the coincoin in 2015.
$=?
(Round to the nearest dollar.)
d) What is the doubling time for the value of the coincoin to the nearest tenth of a year?
yrs=?
(Round to the nearest tenth.)
e) Find the amount of time after which the value of the coincoin will be $5729.
yrs=?
(Round to the nearest tenth.)
Click here to see answer by stanbon(75887)

Question 1120827: The rate of interest on a savings account is 7%. What is the simple interest for three years of $352?
Click here to see answer by josmiceli(19441)

Question 1120827: The rate of interest on a savings account is 7%. What is the simple interest for three years of $352?
Click here to see answer by Alan3354(69443)

Question 1120840: Parth deposits $600 into a savings account that earns 4% interest compounded yearly. What is Parth�s balance after three years?
Click here to see answer by josgarithmetic(39617)

Question 1120842: Is $4500 less than $35000?
Click here to see answer by josgarithmetic(39617)

Question 1120881: Thirty percent of the inventory of a Nine West show store is high heels. If the store has 846 pairs of high heels in stock, how many total pair of shoes are in the inventory?

Click here to see answer by solver91311(24713)

Question 1120923: Juan invests a total of $26,000 in two accounts paying 13% and 15% annual interest, respectively. How much was invested in each account, if after one year, the total interest was 3,710.00. ______was invested at 13% and_____ was invested at 15%
Click here to see answer by josmiceli(19441)

Question 1120932: Ali buys a used guitar for ₹ ₹24000 if ali pays ₹6000 he has to borrow the balance at 12% p.a simple interest for 3 years what are his monthly repayment.
Click here to see answer by Theo(13342)

Question 1120966: A student plans to spend ₦200 on p notebooks. But the price of the notebooks had increased by ₦10. As a result, the number of notebooks the student could buy was reduced by 1. Find the price of each notebook before the increase.
Click here to see answer by ikleyn(52787)

Question 1120972: A student plans to spend �200 on p notebooks. But the price of the notebooks had increased by �10. As a result, the number of notebooks the student could buy was reduced by 1. Find the price of each notebook before the increase.
Click here to see answer by ikleyn(52787)

Question 1120967: A student plans to spend �200 on p notebooks. But the price of the notebooks had increased by �10. As a result, the number of notebooks the student could buy was reduced by 1. Find the price of each notebook before the increase.
Click here to see answer by ikleyn(52787)

Question 1121004: A theater group made appearances in two cities. The hotel charge before tax in the second city was $1500 lower than in the first. The tax in the first city was 3.5%, and the tax in the second city was 3%. The total hotel tax paid for the two cities was $263.75. How much was the hotel charge in each city before tax?

Click here to see answer by solver91311(24713)

Question 1121080: The number of bottles of whiskey that a store will sell in a month at a price of p dollars per bottle is .
N(p) = (2250)/(p+3)
Find the rate of change of this quantity when the price is $7.
Click here to see answer by solver91311(24713)

Question 1121029:
I need help please.
For a fundraising project, your Math Club is publishing an art calendar. The cost of the digital images and the permission to use it is P34, 000.00. In addition to these �one-time� charges, the unit cost of printing each calendar is P130.
a. Write a model that gives the average cost per calendar as a function of the number of calendars to be printed.
b. Graph the model manually or by using a graphing software or an online graphing tool and use the graph to estimate the number of calendars you need to print before the average cost drops to P200 per calendar.
c. Describe what happens to the average cost as the number of calendars printed increases.

Click here to see answer by Alex.33(110)

Question 1121036: You want to buy a new car in four years which will cost you $64000. If you have $50000 in your bank account now, how much is nominal interest rate (compounded annually) to reach your goal?
Click here to see answer by greenestamps(13200)

Question 1121082: You want to buy a new car in four years which will cost you $64000. If you have $50000 in your bank account now, how much is nominal interest rate (compounded annually) to reach your goal?
how is the answer 6.37%?
Click here to see answer by greenestamps(13200)

Question 1121113: The question is:

The total cost (In dollars) for a company to manufacture and sell x items per week is C=60x + 800. Whereas the revenue brought in by selling all items is R=115x - 0.5x^2. How many items must be sold to obtain a weekly profit of $400?
Click here to see answer by solver91311(24713)

Question 1121085: Sam makes $442 contribution to a deposit account at the end of each quarter. The account earns 8% p.a. compounded quarterly. How much is the outstanding balance in 12 years?
Click here to see answer by ikleyn(52787)

Question 1121151: Brian invests �990 into his bank account. He receives 2.6% per year simple interest. How much will Brian have after 3 years? Give your answer to the nearest penny where appropriate.
Click here to see answer by josmiceli(19441)

Question 1121163: The sum of 15.20 is divide between 3 people. The 2nd person gets 1.00 more than the first and the 3rd person gets 2.70 more than the first.
Click here to see answer by josgarithmetic(39617)

Question 1121176: each year a student uses the interest earned a two separate investment to help pay for college cost. the annual interest rates are 11% and 13%. of the total amount interest is 15,200 and the total interest earned per year is 1,840, how much is invested at 11% rate?
Click here to see answer by ikleyn(52787)

Question 1121175: Nina made two investment totalling Php 18000. She made a 14% profit on the investment, but she took a 9% loss on the other investment. if her gain php 680, how much each investment?
Click here to see answer by ikleyn(52787)

Question 1121180: How would I go about solving this question?
A construction company pays $12,000 for a truck. The truck depreciates at a constant rate of 20% yearly. How long will it take for the truck to be worth $7200.
Thanks in advance.
Click here to see answer by Boreal(15235)

Question 1121303: Bill earns 60000 a year Betty earns 2400 per month how much can Bill and Betty pay monthly for their mortgage payment if the lender uses a 28 percentage qualifying ratio
Click here to see answer by Theo(13342)

Question 1121288: You found your dream house. It costs $487000, and you put $50000 as a down payment. For the rest you get a 28-year 5% mortgage (with first payment due in one month). What will be your monthly mortgage payment? (Assume no early repayment.)
Click here to see answer by Theo(13342)

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