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rfer answered: 12642 problems
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Linear_Equations_And_Systems_Word_Problems/698264: What decimal part of 360 is 60?
1 solutions

Answer 430583 by rfer(12646) About Me  on 2013-01-03 23:03:53 (Show Source):


Average/698237: what is 9 1/3 divided by 20??? please help me!
1 solutions

Answer 430540 by rfer(12646) About Me  on 2013-01-03 18:04:33 (Show Source):
You can put this solution on YOUR website!
(28/3)/(20/1)=
28/3*1/20=28/60=7/15


Rate-of-work-word-problems/698180: if 1/2 gallon of paint covers 1/6 of a wall, then how much paint is needed for the entire wall?
1 solutions

Answer 430535 by rfer(12646) About Me  on 2013-01-03 18:00:15 (Show Source):


Problems-with-consecutive-odd-even-integers/698231: can you help me find two consecutive odd integers whose sum is 128 ?

1 solutions

Answer 430534 by rfer(12646) About Me  on 2013-01-03 17:59:03 (Show Source):
You can put this solution on YOUR website!
x+x+2=128
2x=128-2
2x=126
x=126/2
x=113
x+2=115


Average/698233: If you have a 86 what will you need to have a 90 average?
1 solutions

Answer 430533 by rfer(12646) About Me  on 2013-01-03 17:57:53 (Show Source):
You can put this solution on YOUR website!
(x+86)/2=90
x+86=90*2
x+86=180
x+180-86
x=94


Linear-equations/697996: What is an equation for the line with slope 2/3 and y-intercept 9
1 solutions

Answer 430403 by rfer(12646) About Me  on 2013-01-02 20:38:37 (Show Source):


Rational-functions/697978: f(x)=(1/2)x+1 for -61 solutions

Answer 430401 by rfer(12646) About Me  on 2013-01-02 20:37:40 (Show Source):
You can put this solution on YOUR website!
f(-6)=(1/2)(-6)+1
f(-6)=-3+1
f(-6)=-2


Equations/698010: A store sole 550 video games during the month of December. If this made up 12.5% of its yearly video game sales, about how many video games did the store sell all year? I tried multiplying 550 with 100 and dividing that by 12.5% but I don't think it's right
1 solutions

Answer 430400 by rfer(12646) About Me  on 2013-01-02 20:35:26 (Show Source):
You can put this solution on YOUR website!
550/0.125=4400


Length-and-distance/698025: Determine which angle is such that its supplement is five times the angle itself. A. 30 degrees B.150 degrees C.75 degrees D. None of these
1 solutions

Answer 430399 by rfer(12646) About Me  on 2013-01-02 20:32:55 (Show Source):
You can put this solution on YOUR website!
A)
30*5+30=180


Unit_Conversion_Word_Problems/697762: Gold costs $35 per ounce. What does the gold in an 8-pound bar cost? (note: gold is weighted in troy weight, so 1 pound = 12 ounces.)

1 solutions

Answer 430284 by rfer(12646) About Me  on 2013-01-01 22:39:45 (Show Source):
You can put this solution on YOUR website!
8*12*35=$3360


test/697791: (5x^2)(8xy^4)
1 solutions

Answer 430283 by rfer(12646) About Me  on 2013-01-01 22:37:37 (Show Source):


Percentage-and-ratio-word-problems/697667: If I sell a bag of almonds at $2.68 to company z and company z charges a 3.5% fee once a sale occurs. What is this price?
1 solutions

Answer 430274 by rfer(12646) About Me  on 2013-01-01 20:07:55 (Show Source):
You can put this solution on YOUR website!
2.68*1.035=$2.77


Numeric_Fractions/697744: Can you simplify the fraction: 10/5t ??
1 solutions

Answer 430273 by rfer(12646) About Me  on 2013-01-01 20:06:05 (Show Source):


Mixture_Word_Problems/697763: If you have 32 oz of ham @.89 cents a pound how much for one ounce
1 solutions

Answer 430271 by rfer(12646) About Me  on 2013-01-01 20:04:38 (Show Source):
You can put this solution on YOUR website!
0.89/16=$0.0625


Numeric_Fractions/697681: simplify: 7-3(8-2)+6/2

1 solutions

Answer 430214 by rfer(12646) About Me  on 2013-01-01 14:38:33 (Show Source):


Permutations/697695: I have to simplify 12r+5+3r-5
1 solutions

Answer 430212 by rfer(12646) About Me  on 2013-01-01 14:36:44 (Show Source):


Travel_Word_Problems/697608: Mr and mrs lucre were returning home after spending a day at the beach. After travelling for three hours at 60 kilometres per hour, they were still 11 kilometres from home. How far from home were they when they began the trip home?
1 solutions

Answer 430173 by rfer(12646) About Me  on 2013-01-01 00:52:09 (Show Source):
You can put this solution on YOUR website!
3*60+11=191 km


expressions/697504: 18-2[2-3{-2(5-4)}]
1 solutions

Answer 430145 by rfer(12646) About Me  on 2012-12-31 17:39:17 (Show Source):
You can put this solution on YOUR website!
18-2[2-3{-1}]
18-2[2+3]
18-2*5
18-10=8


Miscellaneous_Word_Problems/697511: In a basket of lanzones, 30 are rotten. If there are 450 lanzones in the basket, what percent of the number is spoiled?
a) 5 2/3%
b) 6 2/3%
c) 7 2/3%
d( 8 2/3%
1 solutions

Answer 430144 by rfer(12646) About Me  on 2012-12-31 17:36:19 (Show Source):
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30/450=0.0666
B) 6 2/3%


Sequences-and-series/697509: what comes next in this sequense 1,3,7,15,31
1 solutions

Answer 430141 by rfer(12646) About Me  on 2012-12-31 17:34:17 (Show Source):


Percentage-and-ratio-word-problems/697479: How much of 710 does dividing 7 by 2 account for?
1 solutions

Answer 430063 by rfer(12646) About Me  on 2012-12-30 23:27:54 (Show Source):
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3.5/710=0.0049=0.49%


test/697455: The lenght is two more than the width. The perimeter of the rectangle is 84 feet.
1 solutions

Answer 430039 by rfer(12646) About Me  on 2012-12-30 21:26:05 (Show Source):


Money_Word_Problems/697434: A laptop computer is purchased for $1200 . Each year, its value is 70% of its value the year before. After how many years will the laptop computer be worth $300 or less?

Write the answer as a whole number.
1 solutions

Answer 429990 by rfer(12646) About Me  on 2012-12-30 17:43:36 (Show Source):
You can put this solution on YOUR website!
1200*0.70=840
840*0.70=588
588*0.70=411.60
411.60*0.70=288.12
Four years


test/697329: A bag contains 3 red, 4 blue, 5white marbles, what are the odds of drawing a red marble from the bag? My answer was 3:12 but I was incorrect, please explain what I'm doing wrong and show me, thank you so much!!
1 solutions

Answer 429893 by rfer(12646) About Me  on 2012-12-29 21:58:38 (Show Source):
You can put this solution on YOUR website!
reduce the fraction
3/12=1/4


test/697320: 6/2(1+3)=
1 solutions

Answer 429878 by rfer(12646) About Me  on 2012-12-29 20:39:20 (Show Source):
You can put this solution on YOUR website!
6/2*4=24/2=12


Money_Word_Problems/697306: At what yearly rate will an amount of $90.00 earns a simple interest of $15.00 in 4 years?

1 solutions

Answer 429864 by rfer(12646) About Me  on 2012-12-29 18:39:50 (Show Source):
You can put this solution on YOUR website!
15/4=3.75
3.75/90=0.0417=4.17%


Inverses/697229: The difference between one half of a number and one third of a number is nine. Find the number
What is the process of working it out thks
1 solutions

Answer 429773 by rfer(12646) About Me  on 2012-12-29 00:26:44 (Show Source):
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1/2x-1/3x=9
3/6x-2/6x=9
1/6x=9
x=9/(1/6)
x=9*6/1
x=54


Linear_Equations_And_Systems_Word_Problems/696968: George has apples and oranges in his basket. He has a total of 28 fruits altogether. He has 4 more apples than oranges. How many apples and how many oranges does George have? solve by Graphing.
1 solutions

Answer 429547 by rfer(12646) About Me  on 2012-12-26 21:21:33 (Show Source):
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apples =x+4
oranges =x
x+x+4=28
2x=28-4
x=24/2
x=12
x+4=16


Money_Word_Problems/696601: balance in bank account of a person is 82875 after the deduction at the rate of 2.5 per annum.Find his balance before the deduction
1 solutions

Answer 429314 by rfer(12646) About Me  on 2012-12-24 21:44:48 (Show Source):
You can put this solution on YOUR website!
82875/0.975=$85,000


Inequalities/696708: 3 - 5/4x greater than equal to 6
1 solutions

Answer 429313 by rfer(12646) About Me  on 2012-12-24 21:41:52 (Show Source):
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-5/4x => 3
x => 3/(-5/4)
x => 3*-4/5
x => -12/5
x => -2 2/5


Money_Word_Problems/696774: I need to solve the following word problem, and I have no idea where to begin.
An investor invested a total of $2,800 in two mutual funds. One fund
earned an 8% profit while the other earned a 6% profit. If the investor's
total profit was $202, how much was invested in each mutual fund?
I have seen similar questions answered, but I cannot find the method or procedure used, so I cannot follow the logic. Thank you in advance!
1 solutions

Answer 429312 by rfer(12646) About Me  on 2012-12-24 21:38:00 (Show Source):
You can put this solution on YOUR website!
0.08x+0.06(2800-x)=202
0.08x+168-0.06x=202
0.02x=202-168
0.02x=34
x=34/0.02
x=$1700 at 8%
2800-x=$1100 at 6%