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 219413: out of a tank which is 3/4th full 21 litres of water is drawn out. the tank is now 2/5th full.what is the capacity of tank in litres?
Click here to see answer by Theo(3504)

Question 219412: when 18 is subtracted from a certain 2 digit number it reduces to its 3/5th. wat is the difference between the digits of that number

Click here to see answer by Theo(3504)

Question 220153: Where N is the size of the file in bytes and t is the number of seconds since the download began. in how many minutes will 25 percent of a 500000-byte file remain to be downloaded round to the nearest minute.
Percent remaining= 100 - (42000 divided by N)t
Click here to see answer by Theo(3504)

Question 220196: Given that 1/8 of a number is 1/5, what is 5/8 of the number?
Click here to see answer by solver91311(17077)

Question 220211: The faces of a weighted cube are numbered 1,2,3,4,5 and 6, with one digit per face. When tossed, the cube is twice as likely to land with an even dgit showing on its top face as an odd. Each number is as likely to appear as any other odd number, and each even number is as likely as any other even number. What is the probability that the cube, when tossed, shows a 5 in its top face? express your answer as a common fraction.
Click here to see answer by solver91311(17077)

Question 220194: An eighth grade class picnic has a boy-girl ratio of 5:3. Three more girls join the class, changing the ratio to 10:7. How many students are now in the class?
Click here to see answer by ankor@dixie-net.com(15746)

Question 220420: Hi - I got the answer to this by working it out but I cannot get to an equation. Can you help me?
A class has a boy-girl ratio of 5:3. Three more girls join the class, changing the ratio of 10:7. How many students are now in the class?
By trying and just plugging in numbers I got 30 and 18 plus 3 more, so now the total is 51 - but I'm not sure how to set it up as a problem!
Thank you!
Click here to see answer by scott8148(6628)

Question 220644: I can't remember the process
A patient is told that 1/5 of his calories should come from fat. If his diet consist of 2000 calories a day, how many of those calories can come from fat?
Click here to see answer by nerdybill(7003)

Question 220906: Given that 1/8 of a number is 1/5, what is 5/8 of a number?
Click here to see answer by edjones(7569)

Question 220905: The ratio of onions to radishes in a tossed salad is 8 to 5. If the number of onions is decreased by 20 percent and the number of radishes is increased by 20 percent what is the new ratio of onions? Express answer in a common fraction.
Click here to see answer by rdamanik(3)

Question 221269: A chemist needs 200 milimeters of a 49% acid solution but only has 37% and 57% acid solutions available. Find how many milimeters of each that should ne mixed to get the desired solution.
Click here to see answer by checkley77(12569)

Question 221494: what is the equation for the difference of twice a number "n" and 9 equals 17
Click here to see answer by rfer(12729)

Question 221442: Wheel’s Bicycle shop advertised a bicycle for 15% off for a savings of $36. The bicycle did not sell so it was offered at a new 20% discount off the sale price.

a. What did the bicycle sell for regularly?
b. What is the amount of the new discount?

Click here to see answer by rfer(12729)

Question 221670: Football practice last 2 1/2 hours. An equal amount of time was spent on blocking, tackling, passing, and kicking. How much time was spent on each?
Click here to see answer by rfer(12729)

Question 222150: The price of a saddle is 15% of the cost of a horse. If the total cost of the horse and saddle is $1437.50, what is the cost of the saddle?
Click here to see answer by solver91311(17077)

Question 222160: what is the fraction between the pair of fractions 3/8 and 4/5
Click here to see answer by rfer(12729)

Question 222478: What weight of an alloy containing 10% silver must be melted with an alloy containing 60% silver to obtain 10 lb of an alloy containing 40% silver?
Click here to see answer by stanbon(57962)

Question 222147: If a 5'10" man is 350% of his length as a newborn baby, how many inches long was he when he was born?
Click here to see answer by ankor@dixie-net.com(15746)

Question 222496: The ratio (2^2001.3^2003) / (6^2002) is equal to:

Click here to see answer by jsmallt9(3296)

Question 222786: A baseball team won 30 games and lost 10. What percent of games that the team played did it loose?
Click here to see answer by drj(1380)

Question 222951: The ratio (2^2001. 3^2003) / (6^2002) is equal to:
A) 1/6 b) 1/3 c) 1/2 d) 2/3 e) 3/2

Click here to see answer by jsmallt9(3296)

Question 222951: The ratio (2^2001. 3^2003) / (6^2002) is equal to:
A) 1/6 b) 1/3 c) 1/2 d) 2/3 e) 3/2

Click here to see answer by Alan3354(31518)

Question 223080: A customer pays $1,100.00 in state taxes on a newly perchased car. What is the value of the car if state taxes are 8.9% of the value.
I tried muliplying 1100 by 8.9% still lost.
Click here to see answer by rfer(12729)

Question 223117: We have a word problem that we can't figure out. I have the answer, but we don't know how to write the problem.
The vending machine technician discovered that 55% of the claustrophobic candy bars fell out of the machine for free. If 11 of the bars fell out of the machine for free, how many were in the machine in total?
Thanks in advance!
Connie Pinkston
Click here to see answer by Alan3354(31518)

Question 223410: On a mathematics examination, a student missed 8 of 70 questions. What percent of the questions, rounded to the nearest tenth, did the student do correctly? Explain how you got your answer.

Click here to see answer by rfer(12729)

Question 223480: 50 IS 83 1/3% OF WHAT NUMBER
Click here to see answer by rfer(12729)

Question 223560: a bus is carrying 180 passengers which is 9/10 its capacity. What is its capacity?
Click here to see answer by drj(1380)

Question 223627: Betsy, a recent retiree, requires $6000 per year in extra income. She has $50,000 to invest and can invest in B-rated bonds paying 15% per year or in a certificate of deposit (CD) paying 7% per year. How much money should be invested in each to realize exactly $6000 interest per year?
Click here to see answer by checkley77(12569)

Question 223639: give the slope and y-intercept of the line whose equation is given then identify the graph of the line. y=-2/3x-1
Click here to see answer by tutor_paul(490)

Question 223931: The ratio of boys to girls in Mr. Good’s class is 3 to 5, the ratio of boys to girls in Ms. Garcia’s is the same, and you know that there are 15 girls in Ms. Garcia’s class. How many boys are in Ms. Garcia’s class? Explain how you got your answer.
Click here to see answer by rfer(12729)

Question 224292: The rate at which calories are burnt is proportional to the weight of the person. 3,500 calories must be burnt off for a person to lose 1 pound. How many
hours of walking at 4 1/2 mi/h would be needed for a 190-pound person to
lose 4 pounds? A 150 pound person burns 440 calories an hour walking at 4 1/2 mph
Need to burn 14,000 calories. A 150 pound person would need to walk 31.8 hours. How do I determine how long a 190 pound person needs to walk? I know it is less than that of a 150 pound person.
Thanks for any help. Looking for the proper formula, not looking to be given the answer.

Click here to see answer by stanbon(57962)

Question 224287: I have the following problem to solve and I can not figure out the ratio. The example we are given is a 150 pound person excersing for 60 minutes burns 650 calories running in place and 275 calories swimming at 25yd per minute.
How many calories will a 115 pound person burn running in place and a 175 pound person burn swimming? (activities for 60 minutes )
I broke the ratio of 150:650 down to 3:13 but cannot get the 115:X to solve. If someone could tell me what I am doing wrong in the solving process I would greatly appreciate it. Thanks.
Click here to see answer by solver91311(17077)

Question 224502: one week , the ratio of pounds of apples to pounds of oranges sold at a market was 3:8 twelve pounds of oranges were sold . how many pounds of apples were sold
a)2 b) 4.5 c) 32 d) 48

Click here to see answer by stanbon(57962)

Question 224531: It takes 40 days for a pond to get filled with rain water. If the level of water doubles each day, then how long would it take to fill 1/4 of the pond?
(A) 10 days (B) 20 days (C) 30 days (D) 35 days (E) 38 days
Click here to see answer by rapaljer(4667)

Question 224532: In a village, 5/8 of the population are adults, 1/2 of the adults are males, 4/5 of the adult females are illiterate. If 400 females are illiterate, then the population of the village is:
HINT:assume,population of village as x
(a) 2000 (b) 1500 (c) 1800 (d) 1600 (e) 1200
Click here to see answer by ankor@dixie-net.com(15746)

Question 224695: Soybean meal is 6% protein,and cornmeal is 8% protein. How many pounds of each should be mixed together in order to get 320-lb mixture that is 14% protein?
I am having some difficulty solving this, if someone could help me I would appreciate it.
Click here to see answer by checkley77(12569)

Question 224722: Soybean meal is 16% protein; cornmeal is 8% protein.How many pounds of each should be mixed together in order to get 320-lb mixture that is 14% protein?
Can someone please help me figure this out?
Click here to see answer by ankor@dixie-net.com(15746)

Question 225064: my numerator is divisible by 3, my denominator is divisible by 5, denominator is 4 less than twice my numerator. find the mystery faction
Click here to see answer by LtAurora(115)

Question 226543: $42,074 is 9% increase over last year's salary, what was last year's salary? I am having a hard time understanding this I don't know where to start.
Click here to see answer by scott8148(6628)

Question 226581: you have 40 seats and 137 legs. By making chairs and 3- legged stools, how many of each can be made? But having no left overs
Click here to see answer by RAY100(1637)

Question 227003: A man and his wife earn $49,000 a year. The wife earns 40% of what his husband earns. In addition, their two children each earn 1/4 of what their father earns. How much does the family earn in 2 years?
Click here to see answer by lilmama50(7)

Question 227273: The sum of 2 consecutive even intergers is 86. Find the larger number?
Click here to see answer by rfer(12729)

Question 227273: The sum of 2 consecutive even intergers is 86. Find the larger number?
Click here to see answer by drj(1380)

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