198 Answered Questions for the topic Percents

Percents

01/04/15

Regina charges c dollars per hour to babysit. If she increases her rate by 15%, what expression represents her new rate, in dollars per hour?
The answer choices are A.c+0.15   B. c+15 C. c+0.15c and D. c+15c
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Percents

12/11/14

Percentage word problem
Joe spent 25% of his money on a sports drink. He spent 25% of the remaining money on trail mix. He had $9 left. How much money did he start out with?
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Percents

12/10/14

I need help figuring out how much is borrowed.
Gonzalez Manufacturing borrowed $30000. Part of the money was borrowed at 10%, part at 12%, and part at 14%. The total amount borrowed at 10% and 12% was twice the amount borrowed at 14%. Find the... more
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Percents

11/23/14

basic percent problem
what percent of 54 is 14?  Show steps to solve.       and       Suppose the purchase of a big screen tv is $2150 and sales tax is $86.  What is the Sales Tax Rate?  show steps please I am... more
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11/04/14

A class of twenty students was given an assignment worth 50 points the score of the students are shown here
22 25 27 27 30    31 32 34 35 36 37 37 38 39 39     40 41 44 47 47   if erins score was 41points what was her percentile rank in the class
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10/20/14

One mouse weighs 20% more than another mouse. Together, the two mice weigh 66 grams. How much does each mouse weigh?
This has to do with Ratios. We have been taught percent diagrams and the equation:  amount changed over original amount x 100 =the percent increase/decrease. I'm not sure how to solve this one!
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09/21/14

An insect lays 80 eggs. If 70% of the eggs hatch and 80% of the hatched ones die before reaching adulthood. How many insects will reach adulthood?
Need steps
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09/17/14

I am lost, please help me.
A chemist has 4 L of a solution that contains 0.36 L of acetic acid. The chemist needs to prepare 6 L of a solution with the same percent concentration of acetic acid. How much acidic acid must the... more
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09/17/14

if it is pure alcohol then, it should be 100 percent?
A druggist mixed 100 cc (cubic centimeters) of a 15 % alcohol solution with 50 cc of pure alcohol. Find the percent concentration of the resulting mixture. Round to the nearest tenth of a... more
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09/17/14

How much water must be evaporated from 10 gal of a 12% sugar solution in order to obtain a 15% sugar solution?
I don't understand the water part.
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09/17/14

How many pounds of each should be mixed to make 80 lb of hamburger of hamburger that is 17% fat?
A butcher has some hamburger that is 20% fat and some hamburger that is 12% fat. 
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Percents Volume

06/21/14

the volume of a bottle cap is 1.03 and that cap is 30% smaller then the original cap. what is the volume of the original cap?
so bottle a bottle cap has a volume of 1.03 and that cap is 30% smaller then the original cap. what is the volume of the original bottle cap?
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Percents Math

05/19/14

Help! Degrees and Percents for numbers!
age: 20-29 members: 4age: 30-39 members: 5age: 40-49 members: 6age: 50-59 members: 8age: 60-69 members: 2What is the percent and degreee for each. then determine degree of each angle that would be... more
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Percents

05/15/14

when 120 is decreasedby x percent , the result is 45. What is the value of x
need help with 7th grade math home work
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Percents

04/20/14

i got a 84% overall. if my oter scores were math:95% geography:90% english:85% computer:80%, what was science:?
math:95% geography:90% english:85% computer:80%, what was science:?
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Percents

03/14/14

What percent of 125 is 56?
Help! What percent of 125 is 56? How do I set this equation up? Using the is over of technique?
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Percents

03/13/14

What number is 6 and 1/2% of 400?
Help! How do I set up this equation..is over of?
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Percents

03/13/14

Have another percents question..just not clicking on how to set up equation.
26 is what percent of 40?
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Percents

03/13/14

I am needing help figuring out percents, may have several questions.
My question is How do I convert 2 and 4/5 to a percent
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Percents

03/13/14

30% of 780 is what number? How do i set that up?
30% of 780 is what number? How do I set that up as far as is/of?
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Percents Word Problem

03/13/14

What is the easiest way to figure out how to set up an equation that consists of the is/of..this is hard for me to set up a the problem correctly..Help!
such as : If 1/4 inch on a map represents 8 miles, how many miles are represented by 3 and 3/4 inches on the map?
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03/09/14

what is 3.488 to a fraction
I need help on passing my percents test in my math fundamentals class..its my last test..It is such a long chapter..omg..whew..How do I convert 3.488 to a fraction and 6 and 5/6th to a decimal..
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Percents

10/31/13

what is 25%off of 15.00$
25%off of 15.00$
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