Questions on Word Problems: Problems on percentages, ratios, and fractions answered by real tutors!

Tutors Answer Your Questions about Percentage-and-ratio-word-problems (FREE)

Question 620870: if a customer buys a $306.88 item (this is the sale price) which was originally marked down 15% and then marked down again 10%, how do i find the original price? i have tried numerous ways and the numbers just dont match up.
Click here to see answer by ankor@dixie-net.com(15649)

Question 163685: Bill and hiw wife, christine, and their son max, workied at a beverage stand at a three day bluegrass festival. Tegether the three of them worked a total of 62 hours. Christine worked 5 hours more than max and bill worked 3 hours more than twic as many hours as christine. How many hours did max work?
Click here to see answer by anyonegotadollar(1)

Question 620676: If Pat is 25% taller than Lee, then Lee is what percent shorter than Pat?
Click here to see answer by ankor@dixie-net.com(15649)

Question 621039: I can weed the garden in 90 min. MY friend needs 20 min more. How long will it take us to do the job together
Click here to see answer by jim_thompson5910(28555)

Question 621039: I can weed the garden in 90 min. MY friend needs 20 min more. How long will it take us to do the job together
Click here to see answer by matt501823(7)

Question 621204: convert to a fraction in the lowest term
79.2%
Click here to see answer by ankor@dixie-net.com(15649)

Question 621321: The ratio of boys to all students is 2:5. If there are 120 girls, how many are boys.
Click here to see answer by josmiceli(9669)

Question 621664: The number of people at a party is given as 180, correct to the nearest 20. What's the lowest and highest possible number of people at the party?
Click here to see answer by ewatrrr(10682)

Question 621744: The walton's average phone bill increased from$16.65 to $19.98. What is the precent of increase?
Click here to see answer by solver91311(16877)

Question 622162: An experiment started with 600 bacteria. They double in number every hour. Find the number of bacteria after 4 hours.
Click here to see answer by nerdybill(6958)

Question 622277: jane is 40 years old. she is 5 feet and 4 inches tall. she currently weighs 160 and has a body composition of 30%. her resting heart rate is 76. janes current nutritional intake is 2400 calories per day. she does receive the proper percent from each energy nutrient(carbs 50%, fat 30% and protein 20%). she just started a fitness program consisting of walkiing and training. she walks for about 30 mins three times per week at heart rate intensity of 65% which burns about 8 calories per minute. her goal is to have a leaner toner body with a healthy body composition of 25%. using the karvonen formula, what is the target heart rate zone?
Click here to see answer by solver91311(16877)

Question 622571: A 45 gallon barrel contains a mixture with a concentration of 30%. How much of this mixture must be withdrawn and replaced by 100% concentrate to bring the mixture up to 50% concentration?
Click here to see answer by lwsshak3(6491)

Question 622581: The calculated p-value for a hypothesis test is 0.084. What decision about the null hypothesis would occur in the following: The hypothesis test is completed at the 0.05 level of significance.
Click here to see answer by richard1234(5390)

Question 622954: Food Science:
How much low fat milk (1% FAT) and and how much how much whole milk (4% FAT)
should be up to make 5 gal. of reduced FAT milk (2% FAT).
Thank you in advance.
Click here to see answer by nerdybill(6958)

Question 623073: on a math test, 12 students earned an A.This number is exactly 25% of the total number of student
s in the class. How many students are in the class.
Click here to see answer by nerdybill(6958)

Question 623203: A map is drawn so that every 3.4 inches on the map corresponds to an actual distance of 120 miles. If the actual distance between the two cities is 480 miles, how far apart are they on the map?
Click here to see answer by ewatrrr(10682)

Question 623201: If 100 grams of ice cream contains 13 grams of fat, how much fat is in 330 grams of ice cream?
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Question 623221: A shop sells compact disks for $15 per piece. If each disk costs $6 to the shop owner how much profit percent does the shop owner earn?
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Question 623600: 12/3+9/5=?
Click here to see answer by lenny460(764)

Question 623699: the cost of 21 objects was 168$.how many objects could be purchased for 528$
Click here to see answer by ewatrrr(10682)

Question 623987: Need help putting the following into an equation and then solve:
The perimeter of a rectangular pool is 140 yards. If the length is 20 yards less that twice the width, find the length and width.
Thank you.
Click here to see answer by solver91311(16877)

Question 624001: A hotel room bill for 5 nights was $706.25 including 13% tax. What was the price before tax?
Click here to see answer by ewatrrr(10682)

Question 624069: If the ratio of 20 to x is 6 to 7,then x = ?
Click here to see answer by edjones(7569)

Question 624077: On Friday, the low temperature was 12 degrees below zero. On Saturday,
the low temperature was 6 degrees warmer. What is the current temperature?

Click here to see answer by Alan3354(30993)

Question 624209: find the unknown component in each proportion
2/3=x/48
x/5=12/60
12/9=x/27
7/x=56/96
x/100=1/10
2.2/1=187/x
Click here to see answer by ewatrrr(10682)

Question 624204: "Find 2 consecutive integers such that 1/5 of the first minus 1/9 of the second is equal to 3"
Click here to see answer by ewatrrr(10682)

Question 624269: There are x boys in a class this is 3 more than than 4 times the number of girls. how many girls are in the class?
Click here to see answer by ewatrrr(10682)

Question 624345: A tennis court is 36 feet wide. Its length is 6 feet more than twice the width. What is the area in square feet of a tennis court?

Click here to see answer by ewatrrr(10682)

Question 624317: If the total cost of x apples is b cents, what is a general formula for the cost, in cents, of y apples?
I have tried a few ideas.. And im sure they're wrong, but im trying to read each word of the problem and equate that to an operand or an operation.
x b
- = -
1 100
Then i was fiddling around with the following giving myself an example: if 10 apples was 100 cents..
10x = 100
y = x
Not sure what it means, but I probably am missing just one or two main parts.
Please assist if you have time!
Charlie
Click here to see answer by jim_thompson5910(28555)

Question 624577: How do u find 3.2% of 500
Click here to see answer by jim_thompson5910(28555)

Question 624577: How do u find 3.2% of 500
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Question 624595: How do I figure the percentage of reducing a weekly occurence from 15 to 2?
Click here to see answer by Alan3354(30993)

Question 624792: if the number 225 is increased to 3000 what is the percentage of increase
Click here to see answer by josmiceli(9669)

Question 625145: Kayla has 120 marbles. If the ratio of red marbles to the total number of marbles is 2 to 5, how many red marbles does she have?
Click here to see answer by oscargut(891)

Question 625146: Kayla has 120 marbles. If the ratio of red marbles to the total number of marbles is 2 to 5, how many red marbles does she have?
Click here to see answer by oscargut(891)

Question 625510: The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $4800.00 with an interest rate of 7% earned $336.00 in simple interest. Find the amount of simple interest earned if the principle is $4200.00 and the interest rate is 5%.
Click here to see answer by rfer(12657)

Question 625668: the sum of one-half a number, one-third of the number, and one-twelfth of the number is 55. what is the original number?

Click here to see answer by nerdybill(6958)

Question 625698: How do you figure out P(less than 6)
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Question 625901: If b = 83 1/3% of c, and a = 60% of b, what percent is a of c?
Click here to see answer by josmiceli(9669)

Question 626230: 80 students one fifth are girls and remaining are boys so find the fraction of boys
Click here to see answer by vleith(2825)

Question 626319: if a company ownership is divided in the ratio of 3:2:1 what is the percentage of each ownership? Three owners I thought it would be 50%,33%,17% but I am not sure that it shouldn't be 50,30,20
Click here to see answer by solver91311(16877)

Question 626571: Ms. Jones invested $35, 000 in two accounts, one yielding 6% interest and the other yielding 9%. If she received a total of $2700 in interest at the end of the year, how much did she invest in each account?
The amount invested at 6% was
The amount invested at 9 % was
Click here to see answer by lwsshak3(6491)

Question 627039: A student needs to purchase supplies that are needed for a particular class. Since he is a student of the local area college store A offers a 10% discount on every dollar spent and store B offers a 20% discount on every dollar after the initial purchase of $50.The supplies that he is needing to purchase is a graphing computer program, scientific calculator, protractor, compass, ink pens, pencils, markers, and graphing paper.The retail total of the supplies are $187. Which store offers the greater savings for the student?This needs to be put into an algebraic form. I am stumped on the algebraic form.
Click here to see answer by solver91311(16877)

Question 627310: how much pure acid should be mixed with 5 gallons of a 30% acid solution in order to get a 50% acid solution?
Click here to see answer by ewatrrr(10682)

Question 627324: Three times a larger number added to 4 times a smaller number totals 24. When twice the smaller number is subtracted from twice the larger number, the result is 2. What are the two numbers?

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