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Numbers_Word_Problems/252234: There are three times as many chocolate cupcakes as vanilla ones. If 1/4 of the chocolate cupcakes have sprinkles, what fractional part are chocolate with sprinkles?
1 solutions

Answer 184068 by rfer(12678) About Me  on 2009-12-25 12:51:18 (Show Source):


Average/252042: How many hours will it take to travel 100 miles at 70 mph?
1 solutions

Answer 183786 by rfer(12678) About Me  on 2009-12-22 12:10:47 (Show Source):
You can put this solution on YOUR website!
t=D/r
t=100/70
t=1.43 hrs=1 hr 26 min


percentage/252032: Mrs.Jones paid $55.73 over regular price for some clothes because of financing them at 19% for 8 months. How much was the regular price of the clothes?
1 solutions

Answer 183780 by rfer(12678) About Me  on 2009-12-22 11:36:11 (Show Source):
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55.73/0.19=$293.32 price


Money_Word_Problems/251920: a $14,500.00, 11% loan is dated May 17 and is due to be repaid on August 17. Assuming ordinary time, what is the ordinary interst on the loan?
1 solutions

Answer 183701 by rfer(12678) About Me  on 2009-12-21 19:53:03 (Show Source):
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A=P(1+r/n)^t
A=14500(1.0275)^.25
A=14500(1.0068)
A=14598.60
interest = $98.60


Inequalities/251960: Weather - a news station guarantees the weather forecast will be within 3degrees F of the actual temperature, or the station will make a donation to a particular charity. If the station forecasts the temperature to be 78 degrees F, at what actual temperatures will the station begin to make a charity donation?
1 solutions

Answer 183700 by rfer(12678) About Me  on 2009-12-21 19:48:32 (Show Source):
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75 to 81 degrees


Money_Word_Problems/251921: based on exact time, calculate the ordinary interst on a 15 1/4%, $24,000.00 loan dated March 25 and maturing on July 25.

1 solutions

Answer 183699 by rfer(12678) About Me  on 2009-12-21 19:42:26 (Show Source):
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A=P(1+r/n)^t
A=24000(1.05)^.33
A=24000(1.016231)
A=24389.55
Interest = $389.55


Money_Word_Problems/251922: Shea wholesalers received an order costing $18,500.00. The terms of payment were 3/15, N/45. The owner did not have sufficient cash to pay the invoice within the discount period. is it to their advantage to borrow the money for 30 days at 11%? if so how much money would they save? (assume a 360 day year)
1 solutions

Answer 183697 by rfer(12678) About Me  on 2009-12-21 19:37:59 (Show Source):
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No, they can pay net in 45 days at no additional cost.


Proportions/251956: If Liz sang at a wedding for 20minutes and got paid $25, how much would she get paid for singing for 40minutes?
write a proportion and then answer the question.
how do you do this?
1 solutions

Answer 183696 by rfer(12678) About Me  on 2009-12-21 19:36:12 (Show Source):
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20/25=40/x
20x=1000
x=$50


Points-lines-and-rays/251957: If the points (3,2) and (x,-5) lie on a line whose slope is (-7/2), then x equals



--i graphed it to see if i could do it and got x=1, but i got the answer wrong, please help.
1 solutions

Answer 183694 by rfer(12678) About Me  on 2009-12-21 19:33:43 (Show Source):


Percentage-and-ratio-word-problems/251872: My favorite store was having a 15% off everything sale. The jeans I wanted
were originally $49.99, but they were already marked down to $35.99
before the 15% discount. When I bought the jeans, what percent discount off
the original price did I pay? (Round to the nearest tenth of a percent.)
1 solutions

Answer 183561 by rfer(12678) About Me  on 2009-12-21 11:15:25 (Show Source):
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35.99*.85=30.59
49.99-30.59=19.40
19.40/49.99=.388=38.8%


Volume/251810: How much volume does a square container that is 7 feet on a side have?
1 solutions

Answer 183506 by rfer(12678) About Me  on 2009-12-20 21:50:27 (Show Source):
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V=7^3
V=343 cu ft


Surface-area/251616: The circumference of a circle is 18 pi. inches. Determine the area of the circle.
1 solutions

Answer 183299 by rfer(12678) About Me  on 2009-12-19 20:59:35 (Show Source):
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18/3.14=5.7
5.7/2=2.86
A=pir^2
A=3.14*2.86^2
A=25.68 sq in


Linear-equations/251597: Find the slope and the y-intercept for the following equation of a line:
5x + 10 y = 20

Slope = y-intercept =

1 solutions

Answer 183289 by rfer(12678) About Me  on 2009-12-19 19:54:53 (Show Source):
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y int is when x=0
5(0)+10y=20
y=2
(0,2)
---------------
5x+10y=20
10y=5x+20
y=.5x+2
slope = .5


Expressions-with-variables/251608: Okay I have a problem I don't understand this problem......
Ben bought 8 notbooks for 24.50 some of the notebooks were 2.50 each and the other were 3.25 each if x represents the number of least expensive notebooks,write an equation that can be used to find the number of the least exspensive notebook purchased.
1 solutions

Answer 183288 by rfer(12678) About Me  on 2009-12-19 19:50:21 (Show Source):
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2.5x+3.25(8-x)=24.5
2.5x+26-3.25x=24.5
-.75x=-1.5
x=2 at $2.50
8-x=6 at $3.25


Percentage-and-ratio-word-problems/251498: Mr. Jones was offered a radio by one firm at $80. less discounts of 20% and 10%; another firm offered him the same radio at $80. less 30%. Which is the better offer and by how much?
a) same price b) 1st, $1.60. c) 1st, $.80 d) 2nd, $1.60 e ) none of these
1 solutions

Answer 183200 by rfer(12678) About Me  on 2009-12-19 13:20:55 (Show Source):
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80*.8*.9=57.60
80*.7=56.00
answer D


Unit_Conversion_Word_Problems/251261: i have a one-story house that is 32-ft wide adn 48-ft long. I plan to build an addition 12-ft by 16-ft. That will the total area of the house be?
1 solutions

Answer 183101 by rfer(12678) About Me  on 2009-12-18 19:59:43 (Show Source):
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32*48+12*16=
1536+192=1728 Sq ft


Linear-equations/251421: I need to find the intercepts then use them to graph the equation
3y-9=3x
1 solutions

Answer 183098 by rfer(12678) About Me  on 2009-12-18 19:50:03 (Show Source):
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x int is when y=0
y int is when x=0
3y-9=3
-----------
3y-3x=9
3(0)-3x=9
x=-3
(-3,0)
----------
3y-3(0)=9
y=3
(0,3)


Unit_Conversion_Word_Problems/250813: Jim has 3/4 of a yard of string which he wishes to divide into pieces yard long. How many pieces will he have? ( Sorry but i have no idea what type of problem this is) Thank You Very Much
1 solutions

Answer 182664 by rfer(12678) About Me  on 2009-12-16 21:41:26 (Show Source):
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need more info?


Money_Word_Problems/250843: 80% of what number is 60. please explain in steps if you can
1 solutions

Answer 182663 by rfer(12678) About Me  on 2009-12-16 21:37:22 (Show Source):


percentage/250841: find 14% of 40. please explain if you can in steps
1 solutions

Answer 182662 by rfer(12678) About Me  on 2009-12-16 21:36:33 (Show Source):


Money_Word_Problems/250845: 80% of what number is 60. please explain in steps if you can.
1 solutions

Answer 182661 by rfer(12678) About Me  on 2009-12-16 21:35:03 (Show Source):


Money_Word_Problems/250846: 6 is what percent of 18. please explain in steps if you can.
1 solutions

Answer 182660 by rfer(12678) About Me  on 2009-12-16 21:33:15 (Show Source):
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6/18=.333= 33 1/3%


test/250405: 35. A car travels 55 miles per hour and a plane travels 15 miles per minute. How far does the car travel when the plane travels 500 miles?
1 solutions

Answer 182350 by rfer(12678) About Me  on 2009-12-15 23:27:12 (Show Source):
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500/(15*60)=0.555
55*0.555=30.5 miles


Numbers_Word_Problems/250406: find two numbers whose sum is 58 and whose difference is 16
1 solutions

Answer 182348 by rfer(12678) About Me  on 2009-12-15 23:23:44 (Show Source):
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x+x-16=58
2x=74
x=37
x-16=21


Travel_Word_Problems/250435: A plane travels east at 210mph. Thirty minutes later, a second plane leaves the same airport traveling west at 160mph. Write and solve an equation to determine when the planes will be 660 miles apart.
1 solutions

Answer 182346 by rfer(12678) About Me  on 2009-12-15 23:18:56 (Show Source):
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A is 105 miles ahead
660-105=555
555/370=1.5 hrs


Linear-equations/250465: The parenthesis always confuses me can someone help me with this? Im not very good with fractions it says multiply
9/5 times(-7/5)
any help is appreciated thanks
1 solutions

Answer 182344 by rfer(12678) About Me  on 2009-12-15 23:13:33 (Show Source):
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9/5*-7/5=-63/25=-2 13/25
() are used just to help explain the problem.
()() just means to multiplt


Circles/249904: You have installed a new irragration system. Each irrigation arm covers a circular region with a radius of 35 feet. How many square feet will 4 irrigation arms cover?
1 solutions

Answer 182024 by rfer(12678) About Me  on 2009-12-14 22:29:33 (Show Source):
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3.14*35^2=3846.5*4=15,386 sq ft


Distributive-associative-commutative-properties/249975: Solve.
0.9x + 3 < 1.7x -4.
1 solutions

Answer 182018 by rfer(12678) About Me  on 2009-12-14 22:19:34 (Show Source):
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.9x+3<1.7x-4
7<.8x


absolute-value/250016: How do you solve the problem : -2x-5 is less than or equal to 3
1 solutions

Answer 182014 by rfer(12678) About Me  on 2009-12-14 22:17:11 (Show Source):
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-2x-5<=3
-2x<=8
x<=-4


Finance/250014: Find the amount of an annuity that consists of 10 annual payments of $1000 each into an account that pays 6% interest per year
1 solutions

Answer 182013 by rfer(12678) About Me  on 2009-12-14 22:15:36 (Show Source):
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FV=P((1+i)^n-1)/i
FV=1000((1.06)^10-1)/.06
FV=1000((1.79)-1)/.06
FV=790/.06
FV=$13,166.67


Money_Word_Problems/249998: A man invests $6500 in an account that pays 6% interest per year, compounded continuously.
(a) What is the amount after 2 years?
(b) How long will it take for the amount to be $8000?
1 solutions

Answer 182011 by rfer(12678) About Me  on 2009-12-14 22:09:46 (Show Source):
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a)
A=Pe^rt
A=6500(2.7183)^.06*2
A=6500(1.1275)
A=$7637.50
b)
2.09 yrs