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

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Question 257702: Don rode his bike 2¾ miles directly north to the store. He then rode 7/8 miles on the same road south to his friend Gary's house. Together they rode 2¾ miles south to the park. How far is Don's house from the park?
Click here to see answer by richwmiller(9135)

Question 257714: Jill, Leon and Emily participated in a bike race. Jill biked the first half at 6 miles per hour and the second half at 12 miles per hour. Leon biked the first third at 12 miles per hour, then dropped down to 8 miles per hour for the 2nd third and finished the last third at 7 miles per hour. Emily paced out the entire race at 8.5 miles per hour. Who finished first? And explain how you solved the problem.
Click here to see answer by ankor@dixie-net.com(15646)

Question 257737: Two numbers are in the ratio 5:2. One half of their sum is 10 1/2. Find the numbers.
Click here to see answer by richwmiller(9135)

Question 257700: Don rode his bike 2¾ miles directly north to the store. He then rode 7/8 miles on the same road south to his friend Gary's house. Together they rode 2¾ miles south to the park. How far is Don's house fro the park?
Click here to see answer by Theo(3458)

Question 257751: 3 numbers are in a ratio 3:5:6. 1/4 of their sum is one and a half more than the smallest number. Find the numbers.
Click here to see answer by checkley77(12569)

Question 257792: A football team gains 5 yards and loses 32 yards and gains 11 yards. What number represents the total net yardage?
Click here to see answer by checkley77(12569)

Question 257898: Use an inequality and the five-step process to solve the problem. Jim has gotten scores of 88 and 69 on his first two tests. What score must he get on his third test to keep an average of 85 or greater?
Click here to see answer by checkley77(12569)

Question 257895: In order for a chemical reaction to remain stable, its celsius temperature must be no more than 111.4c. Find the farenheit temperatures at which the reaction will remain stable. Use F=9/5c+32
Click here to see answer by checkley77(12569)

Question 257997: ratio of boys to total students is 3:8. There are 10 girls. How many total students are there.
Click here to see answer by Earlsdon(6287)

Question 258315: Mary sold 13 books, each for the same price, and used part of the money to buy a sweater that cost $17 (tax included). She had $22 left. What was the price of each book?
Click here to see answer by nerdybill(6955)

Question 258467: 25% of the graduating class received a scholarship. If 1800 students received a schorarship, how many students are in the graduating class?
Click here to see answer by checkley77(12569)

Question 258521: what would be the amount of compound intrest on a $6000 invested for two years at 9% compound semiannallp?round you answer to nearest dollar
Click here to see answer by stanbon(57285)

Question 258492: 1/6 of a sum of prize money was divided equally amoung 4 individual players. The remainder was divided amoung 10 group players. If each group player received $75, how much money did each individual player receive?
Click here to see answer by edjones(7569)

Question 258764: In the expression xy^2, the values of x and y are each decreased by 25%. To the
nearest whole percent, compare the decreased value to original value.

Click here to see answer by Fombitz(13828)

Question 258812: 111.4 million U.S. households owned at least one TV set in 2006.
About 57.9 million U.S. households owned 3 or more TV sets in 2006. What percent of those owning at least one TV set was this? Round answer to the nearest percent.
Click here to see answer by richwmiller(9135)

Question 258960: Bob gave four-fifths of his pencils to Barbra, then gave two-thirds of the remaining pencils to Bonnie. If he ended with 10 pencils for himself, how many did he start with?
Click here to see answer by rfer(12654)

Question 259086: If a population of 2500 grows by 2.5% per year, how great will the population be 30 years from now?
Click here to see answer by rfer(12654)

Question 259178: of 200 people on a jogging trail, 150 are running and the rest are walking . which of the following is the ratio of runners to walkers ?
a 4/3 b 1/4 c 3/1 d 1/3
Click here to see answer by richwmiller(9135)

Question 259188: A class consisting of 30 girls and 40 boys sponsored a Halloween dance. If 60 percent of the girls and 25 percent of the boys went to the dance, what percent of the entire class went to the dance?
a)30 % b) 40 % c) 45 % d) 70 % e) 85 %

Click here to see answer by richwmiller(9135)

Question 259192: The original price of a sofa was $ 600. During a seasonal sale, the sofa was reduced by 25 %. If a customer comes in during the sale and has a coupon that says 10% off any advertised price, how much will the customer pay for the sofa?
a) $ 210 b) $ 390 c) $ 405 d) $ 460 e) $ 490

Click here to see answer by stanbon(57285)

Question 259415: worker A can do a certain job in 12 hours.Worker B can do the same job in 9 hours.How long would it take if they worked together?
Click here to see answer by scott8148(6628)

Question 259190: In ‘F’ Troop, 2/3 of the men are married and 2/3 of these married men do not have children. What fraction of the men in ‘F’ Troop are married with children?
a) 1/9 b) 2/9 c) 1/3 d) 2/3 e) 8/9

Click here to see answer by ankor@dixie-net.com(15646)

Question 259634: An introductory psychology class is 40% male. If there are 300 students in the class, how many students are women?
Click here to see answer by richwmiller(9135)

Question 259706: A pharmacist wishes to mix a solution that is 4% Minoxidil. She has on hand 100mL of a 1% solution and wishes to add some 6% solution to obtain the desired 4% solution. How much 6% solution should she add? (This answer is suppose to be given in mL
Click here to see answer by nerdybill(6955)

Question 259718: A cashier has a total of 105 bills, made up of tens and hundreds. The total value of the money is $6450. How much of each kind does he have?
________ tens and _________ hundreds

Click here to see answer by Fombitz(13828)

Question 259689: A store determines a camera’s retail price by marking up its wholesale price by
twenty percent. If the store then discounts all cameras by taking twenty percent off their retail price, and the sales price is $76.80, what is the wholesale price of the cameras?

Click here to see answer by checkley77(12569)

Question 259574: if a rectangular region having an area of 500 square units has its length increased by 20 percent and its width decreaded by 10 percent, what is the area of the newly formed region?
Click here to see answer by Fombitz(13828)

Question 259785: three fourths of the students received a grade of C and one fifth received a grade of A. If twenty-two more students received C's than A's, how many students are in class.
Click here to see answer by edjones(7569)

Question 259823: If a scale of a map is 1/3 inch equals one mile, how long is a straight road that is one and one-half inches on the map?
Click here to see answer by drk(1908)

Question 259959: A class consisting of 30 girls and 40 boys sponsored a Halloween dance. If 60 percent of the girls and 25 percent of the boys went to the dance, what percent of the entire class went to the dance?
a)30 % b) 40 % c) 45 % d) 70 % e) 85 %

Click here to see answer by ankor@dixie-net.com(15646)

Question 260014: If 60 percent of 90 percent of a is 120 percent of 45 percent of b, what is a in terms of b?
(A) b (B) 2b (C) 3b (D) 4b (E) 5b

Click here to see answer by Earlsdon(6287)

Question 260050: Brian takes an 81 inch piece of rope and cuts it three times. Each time he cuts the rope, he cuts off and discards the same fraction of the remaining length. When he is finished, the piece of rope is 3 inches long. Which fraction represents the amount of rope removed in each of the three cuts? The answer is 2/3, but I have not a clue why.
Click here to see answer by dabanfield(803)

Question 260226: A water storage tank is 1/3 full of water. Fifteen gallons of water are added to the tank.The tank is now 1/2 full. How many gallons of water will the tank hold?
Click here to see answer by edjones(7569)

Question 260216: In a school, the ratio of boys to girls is 3 : 5. After 20 more boys attended the school, the ratio is now 1 : 1. How many girls are in the school?
Click here to see answer by richwmiller(9135)

Question 260215: A supermarket advertised a sale of 75% off, and afterwards, the price of a pen was $4. What was the original price of a pen before the sale?
Click here to see answer by checkley77(12569)

Question 260357: The ratio of Aldo's cycling speed to Jose cycling speed is 6:5. Jose leaves school at 3pm and Aldo leaves at 3:10pm. By 3:30pm Aldo is only 2km behind Jose. How fast is each cycling?
Click here to see answer by richwmiller(9135)

Question 260637: Ambers father earns $450 working 35 hours per week. what does he earn per hour?

Click here to see answer by onlinetutor365.com(14)

Question 260831: what quanity x of a 75% acid solution must be mixed with a 25% solution to produce 500ml of a 40% solution?
Amount x=
Click here to see answer by ptaylor(2048)

Question 260831: what quanity x of a 75% acid solution must be mixed with a 25% solution to produce 500ml of a 40% solution?
Amount x=
Click here to see answer by stanbon(57285)

Question 260980: There are 60 players on a team. The ratio of juniors & seniors to freshmen and sophomores on the team is 2:3. the ratio of juniors to seniors is 1:2. How many juniors and how many seniors?
Click here to see answer by richwmiller(9135)

Question 260988: In the United States, 1 Person out of every 200 is in the army, and 9 out of every 10,000 are army officers. Find the percentage of army personnel that are officers or, if this cannot be determined from the information given, state the fact.
Click here to see answer by Greenfinch(383)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220