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# Recent problems solved by 'rfer'

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 Miscellaneous_Word_Problems/700312: Hi can you please help me with this problem? To make ppunch, Anna adds 8 ounce of apple juice for every 4 ouncees of orange juice. If she uses 32 ounce of apple juiice what canbe a proportion so she can figure out how much orange juice x will be needed? please help me thank you!1 solutions Answer 431781 by rfer(12670)   on 2013-01-09 20:28:45 (Show Source): You can put this solution on YOUR website!32/8=4 4*4=16 oz orange
 Money_Word_Problems/700307: how much interest is earned in 4 years on \$6,000 that is deposited in an account with 5.5% interest that compounds annually? is the answer \$330.001 solutions Answer 431780 by rfer(12670)   on 2013-01-09 20:26:23 (Show Source): You can put this solution on YOUR website!A=6000(1.055)^4 A=6000*1.23882 A=\$7432.95 ------- I=7432.95-6000 I=\$1432.95 You only calculated one year.
 Age_Word_Problems/700308: Theresa is 160%as old as her sister Mala, Mala is 20 years old. How old is Theresa?1 solutions Answer 431776 by rfer(12670)   on 2013-01-09 20:20:05 (Show Source): You can put this solution on YOUR website!20*1.60=32
 Travel_Word_Problems/700261: There is a car fire at the intersection of State and Lake. This intersection is 4 miles away from the local firehouse. Due to rush hour traffic, the fire truck is only able to travel an average of 12 mph. what is the minimum amaount of time it will take the fire truck to reach the car fire? please write out how you got the answer1 solutions Answer 431775 by rfer(12670)   on 2013-01-09 20:18:33 (Show Source): You can put this solution on YOUR website!4/12=0.333 60*0.3333=20 min
 Geometry_Word_Problems/700301: The measures of two supplementary angles are 6y + 3 and 4y - 13.Find the measures of the angles.1 solutions Answer 431774 by rfer(12670)   on 2013-01-09 20:15:14 (Show Source): You can put this solution on YOUR website!6y+3+4y-13=180 10y=180+10 10y=190 y=190/10 y=19 6y+3=117 4y-13=63
 Numeric_Fractions/700297: what is 3/5 = 3/7r?1 solutions Answer 431772 by rfer(12670)   on 2013-01-09 20:12:20 (Show Source): You can put this solution on YOUR website!3*7r=5*3 21r=15 r=15/21 r=0.71
 test/700229: How do I solve 11-4 times 11+3=-301 solutions Answer 431770 by rfer(12670)   on 2013-01-09 20:10:50 (Show Source): You can put this solution on YOUR website!11-44+3=-30 -30=-30
 Geometry_Word_Problems/700290: The measure of an angles complement is 24 less than twice the measure of the angle.find the measure of the angle and its complement1 solutions Answer 431768 by rfer(12670)   on 2013-01-09 20:08:03 (Show Source): You can put this solution on YOUR website!2x-24+x=90 3x=90+24 3x=114 x=114/3 x=38 2x-24=52
 Age_Word_Problems/700257: Dan is 5 less than twice as old as Brad. If the sum of their ages is 40, how is Dan? 1 solutions Answer 431767 by rfer(12670)   on 2013-01-09 20:06:10 (Show Source): You can put this solution on YOUR website!2x-5+x=40 3x=45 x=45/3 x=15 2x-5=25
 test/700255: if I can hop 3,300 times in one hour, how long would it take me to hop 25,000 times?1 solutions Answer 431765 by rfer(12670)   on 2013-01-09 20:04:12 (Show Source): You can put this solution on YOUR website!3300/1=25000/x 3300x=25000 x=25000/3300 x=7.6 hrs
 Proportions/700284: decimal number equivalent to 15/4 then find the exact value 1 solutions Answer 431763 by rfer(12670)   on 2013-01-09 20:02:04 (Show Source): You can put this solution on YOUR website!3.75
 Inverses/700274: -6=a/15 1 solutions Answer 431762 by rfer(12670)   on 2013-01-09 20:01:08 (Show Source): You can put this solution on YOUR website!-6*15=a -90=a
 Angles/700281: The larger angle of two supplementary angles has a measure of 20 degrees more than the measure of the smaller angle. Find the number of degrees in the measure of the smaller angle.1 solutions Answer 431760 by rfer(12670)   on 2013-01-09 20:00:19 (Show Source): You can put this solution on YOUR website!x+x+20=180 2x=180-20 2x=160 x=160/2 x=80
 Age_Word_Problems/700282: Theresa is 60% as old as her sister Mala, who is 20 years old. How old is Theresa?1 solutions Answer 431759 by rfer(12670)   on 2013-01-09 19:59:03 (Show Source): You can put this solution on YOUR website!=12
 Age_Word_Problems/700277: Theresa is 60% as old as her sister mala who is 20 years old. how old is Theresa?1 solutions Answer 431758 by rfer(12670)   on 2013-01-09 19:58:35 (Show Source): You can put this solution on YOUR website!0.60*20=12
 Word_Problems_With_Coins/700164: a man sell a tablet p10,000.000 and a man buy with discount 20% discount how many is the sell price?1 solutions Answer 431673 by rfer(12670)   on 2013-01-09 16:19:45 (Show Source): You can put this solution on YOUR website!10,000,000*0.80=p8,000,000
 Travel_Word_Problems/700167: How long would it take to drive 27 miles while going 35 mph?1 solutions Answer 431672 by rfer(12670)   on 2013-01-09 16:18:23 (Show Source): You can put this solution on YOUR website!60/35=1.714 minutes per mile 1.714*27=46.3 minutes
 Exponents/700042: Cannot find out the answer to 6x equals 3 to the seventh power1 solutions Answer 431643 by rfer(12670)   on 2013-01-09 13:52:15 (Show Source): You can put this solution on YOUR website!6x=3^7 6x=2187 x=2187/6 x=364.5
 Angles/700058: (x+60)(5x)1 solutions Answer 431641 by rfer(12670)   on 2013-01-09 13:49:29 (Show Source): You can put this solution on YOUR website!=5x^2+300x
 percentage/700094: If the cost is \$58.00 and the selling price is \$63.00, then what is the percent of increase?1 solutions Answer 431640 by rfer(12670)   on 2013-01-09 13:48:03 (Show Source): You can put this solution on YOUR website!5/58=0.086=8.6%
 Money_Word_Problems/700102: Please help clarify at how you arrive at the answer to this question: at what rate of simple interest will 1000 accumulate to 1420 in 2.5 years1 solutions Answer 431638 by rfer(12670)   on 2013-01-09 13:46:51 (Show Source): You can put this solution on YOUR website!I=Prt 420=1000r2.5 420=2500r 420/2500=r 0.168=16.8%
 Human-and-algebraic-language/699956: find two poitive numbers if one is 2/3 the other and their difference is 5 1 solutions Answer 431594 by rfer(12670)   on 2013-01-09 02:06:59 (Show Source): You can put this solution on YOUR website!x-2/3x=5 1/3x=5 x=5/(1/3) x=5*3/1 x=15 2/3x=10
 test/699925: 71=23y-14-71 solutions Answer 431593 by rfer(12670)   on 2013-01-09 02:04:53 (Show Source): You can put this solution on YOUR website!71=23y-21 71+21=23y 92=23y 92/23=y 4=y
 Inequalities/699936: I need to understand how to solve inequalities, i would like you to please show your work so i can better understand. Please and thank you m+3<21 solutions Answer 431592 by rfer(12670)   on 2013-01-09 02:03:11 (Show Source): You can put this solution on YOUR website!m+3 < 2 m+3-3 < 2-3 m < -1
 Inequalities/699902: Lisa was 4 feet 10 1/2 inches tall at the end of fifth grade. During the year,she had grown 2 3/4 inches. How tall was Lisa at the start of fifth grade?1 solutions Answer 431591 by rfer(12670)   on 2013-01-09 02:01:38 (Show Source): You can put this solution on YOUR website!=4ft 7 3/4in
 test/699908: 6m+m1 solutions Answer 431590 by rfer(12670)   on 2013-01-09 01:57:23 (Show Source): You can put this solution on YOUR website!=7m
 test/699937: A clothing store has everything marked 35% off. A person buys a dress with the discount for \$36.92. What was the original amount of the dress?1 solutions Answer 431589 by rfer(12670)   on 2013-01-09 01:55:22 (Show Source): You can put this solution on YOUR website!36.92/0.65=\$56.80
 Evaluation_Word_Problems/699930: A 60 foot building cast a shadow that is 12 feet long. How tall is a building that cast a 17 foot shadow? Thanks in advance. 1 solutions Answer 431588 by rfer(12670)   on 2013-01-09 01:53:45 (Show Source): You can put this solution on YOUR website!60/12=x/17 12x=1020 x=1020/12 x=85 ft
 Equations/699909: six times the sum of a number and 15 Is 99 more than three times the number. What is the number?1 solutions Answer 431587 by rfer(12670)   on 2013-01-09 01:51:24 (Show Source): You can put this solution on YOUR website!6(n+15)=3n+99 6n+90=3n+99 6n-3n=99-90 3n=9 n=9/3 n=3
 test/699926: -2(b-4)=121 solutions Answer 431585 by rfer(12670)   on 2013-01-09 01:47:32 (Show Source): You can put this solution on YOUR website!-2b+8=12 -2b=12-8 -2b=4 b=4/-2 b=-2
 Numeric_Fractions/699953: tom eats 2/3 of pie and sam eats 1/4 how much of pie is left 1 solutions Answer 431584 by rfer(12670)   on 2013-01-09 01:43:16 (Show Source): You can put this solution on YOUR website!2/3+1/4= 8/12+3/12=11/12 12/12-11/12=1/12