Questions on Word Problems: Rate of work, PAINTING, Pool Filling answered by real tutors!

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Question 482993: Find two numbers such that one of them is five times the other and their difference is 132. (Ans. 33, 165)
Click here to see answer by Maths68(1474)

Question 482971: A swimming pool is 50 meters long. A boy can swim across the length and then return to his starting position in 5 meters. What is his swimming speed in km/hr? (Ans. 1.2 km/hr)
Click here to see answer by ankor@dixie-net.com(15646)

Question 483844: 1) Gardener A can mow an entire lawn in 3 hours. Gardener B can mow the same lawn in 5 hours. How long will it take them to mow the lawn if they work together?
2)To paint a house alone it would take Mario 3 days, Danny 4 days and Lito 6 days. How many days should it take them to paint 3 houses if they all work together?
Click here to see answer by nerdybill(6955)

Question 485246: A and B can do a job in 25 days. B alone can do 1/3 of the job in 15 days. In how many days can A alone do it. [Hints: B can do whole work in (153) = 45 days]
Click here to see answer by jorel1380(2518)

Question 485273: If 30 men need 16 days for a task, how many men would need 20 days?
Click here to see answer by Tatiana_Stebko(1326)

Question 485301: The average temperature for the first four days of a week was 30.5 and the average temperature of the whole week was 32. What was the average temperature during the last 3 days. (Ans. 34)
Click here to see answer by Tatiana_Stebko(1326)

Question 485321: It takes 7 people 8 hours to build 3 cars. How many hours will it take 2 people to build 1 car? Thank you!
Click here to see answer by Edwin McCravy(8893)

Question 486155: It will take you 10 hrs to paint the garage and it will take your brother 15 hours to paint the garage. How long will it take if the two of you pain together?

Click here to see answer by chessace(471)

Question 486302: It takes 3 city snowplows 14 hours to clear 500 miles of road. If the city wants the 500 miles of road to be cleared in 6 hours, how many additional snowplows must they buy?
Click here to see answer by Edwin McCravy(8893)

Question 487205: Joan can weed the garden in 40 min and her mother can weed it in 60 min. How long would it take them working together???????
Click here to see answer by josmiceli(9667)

Question 487207: Joan can weed the garden in 40 min and her mother can weed it in 60 min. How long would it take them working together???
Click here to see answer by jorel1380(2518)

Question 487210: Joan can weed the garden in 40 min and her mother can weed the garden in 60 min. How long would it take them working together?
Click here to see answer by jorel1380(2518)

Question 487214: Joan can weed the garden in 40 min and her mother can weed it in 60 min. How long would it take them workingntogether????
Click here to see answer by jorel1380(2518)

Question 487686: If Jan can weed the garden in 2 hours and her husband can weed it in 1 hour and 30 minutes, find how long it takes them to weed the garden together.
Click here to see answer by ankor@dixie-net.com(15646)

Question 488178: If 20 men complete one third of a piece of work in 20 days, how many more men should be employed to finish the remaining work in 25 days?
Click here to see answer by jorel1380(2518)

Question 488920: Pipe M can fill a tank in 36 hours, and pipe N can fill it in a certain time. If both pipes are opened simultaneously, the tank gets filled in 24 hours. Find the time it takes pipe N alone to fill the tank.
Click here to see answer by stanbon(57285)

Question 489266: Can you please help me set up a formula for figuring out how long it would take two people to do one task together. Example: it takes you 30 minutes to rake the yard and it takes your brother 45 minutes, how long would it take for you both to rake the yard together?
Click here to see answer by ankor@dixie-net.com(15646)

Question 489419: Help with word problem please.
I do not where and how to start this.
I need to just understand how to do this simple way possible using ratios
multiple ways to solve this would be good
Frank can cut a lawn in 2 hours and his younger brother can cut the same lawn in 3 hours. How long will it take them to cut the lawn if they both work together?
60x2 = 120 mins
60x3 = 180 mins
2/3 = 1/60
90 mins

Click here to see answer by jorel1380(2518)

Question 489384: One pump can fill a water tank in 40 minutes and another pump takes 30 minutes. When the tank was empty, both pumps were turned on for 10 minutes and then the slower pump was turned off. How much longer did the faster pump have to run before the tank was filled?
Click here to see answer by stanbon(57285)

Question 489288: Vanessa can do a job in 12 days. After she has worked for 4 days, she is joined by Susan, and they finish the job together in 2 more days. How long would it have taken Susan to do the whole job herself?
Click here to see answer by ankor@dixie-net.com(15646)

Question 489454: please help with this word problem I am having trouble understanding where to start translating numbers into ratios
1 pipe can fill a large tank in 5 hours and a smaller pipe can fill the same tank in 3 hours. How long will it take both pipes to fill the tank if they are turned on at the same time?
60 x 5 = 300 mins
60 x 3 = 180 mins
300 - 180 = 120
120/60 = 2
take 2 hours to fill

Click here to see answer by stanbon(57285)

Question 489529: It takes my father 3 hours to plow our cornfield with his new tractor. Using the old tractor it takes me 5 hours. If we both plow for 1 hour before I go to school, how long will it take Dad to finish the plowing?
Click here to see answer by ankor@dixie-net.com(15646)

Question 489756: If 3 people can do a job in 20 hours how long would it take 4 people to do the same job.
I tried a ratio: 3 is to 4 as 20 is to x (3/4 =20/x) = 60/4x divide each side by 4 and x is 15. Am I on the right track?
Click here to see answer by chessace(471)

Question 489777: Joshua can finish a certain job in 4 days while Kevin can finish the same job in 2 days. How long will it take them to finish the job it they work together?
Click here to see answer by stanbon(57285)

Question 489531: The fill pipe for a tank can fill the tank in 4 hours, and the drain pipe can drain it in 2 hours. If both pipes are accidentally opened, how long will it take to empty a half-filled tank?
Click here to see answer by ankor@dixie-net.com(15646)

Question 490219: Consider two tumblers, the first containing one litre of coffee. Suppose you take one spoon of water out of the first tumbler and pour it into the second tumbler. After moving you take one spoon of the mixture from the second tumbler and pour it back into the first tumbler. Which one of the following statement holds now?
a) There is less coffee in the first tumbler than water in the second tumbler.
b) There is more coffee in the firs tumbler than water in the second tumbler
c) There is as much coffee in the first tumbler as there is water in the second tumbler
d) None of the statements holds true.
Click here to see answer by MathLover1(6625)

Question 490214: A can do a work in 36 days, B can do the work in 72 days and C can do the work in 78 days. The three take turns in working, i.e. A works on the first day, B works on the second day, C on the third day and so on. Which day will they finish the work?
Click here to see answer by ankor@dixie-net.com(15646)

Question 490725: if mark makes 400 cakes in one hour how much does he make per minute?
Click here to see answer by rfer(12654)

Question 490963: By himself, Tim can complete his paper route in 160 minutes. With the help of Sue it takes 100 minutes. How many minutes would it take Sue to do the route by herself?
Click here to see answer by ankor@dixie-net.com(15646)

Question 491203: It takes a professional 7 hours to repair a roof. Working together, you and the professional can get the job done in 4 hours. How long would it take you to repair the roof working alone?
Click here to see answer by stanbon(57285)

Question 491846: James can mop a warehouse in 12 hours. One day his friend Molly helped him and it only took 4.8 hours. How long would it take Molly to do it alone?
Click here to see answer by lwsshak3(6490)

Question 492765: If joseph paints at the rate of H houses per day, how many houses does he paint in D days, in the terms of H and D?

Click here to see answer by tjb(1)

Question 492733: Doy and his son can do a job in 4 1/2 days, After they have worked for 3 days, Doy got sick and the son finished the task in 6 more days. How many days each required to do the entire task?
Click here to see answer by ankor@dixie-net.com(15646)

Question 493040: if it takes person A 7 hours to do something, and person b 12 hours to do the same thing, how long would it take in minutes if they worked together?
Click here to see answer by josmiceli(9667)

Question 493486: Two pipes A and B can fill a tank in 5hour and 20hour respectively. If both the pipes opened, due to leakage it takes 30minutes more to fill the tank. If the tank is full, how long will it take for the leakage alone to empty the tank?
Click here to see answer by scott8148(6628)

Question 493589: A big pipe can fill a tank in 7 minutes less than a small pipe. If they work together, the total time taken is 12 minutes. How long will it take for the big pipe to fill a tank alone?
Click here to see answer by deborabr(181)

Question 494114: is 450 words in a minute a rate or ratio
Click here to see answer by rfer(12654)

Question 494419: Abbie paints twice as fast as Beth and three times as fast as Cathie. If it takes them 60min to paint a living room with all three working together, how long would it take Abbie if she works alone?
Click here to see answer by ptaylor(2048)

Question 494483: George and Stanley are builfing a stone fence. They can complete the fence together in 11hrs. George can complete it in 33 hrs working alone. If they work together for 6 hours, then stanley goes to the pub for a pint, How much longer must George work to finish the fence?
Click here to see answer by ankor@dixie-net.com(15646)

Question 495049: a water tank can be filled in 8 minutes and emptied in 9 minutes. if the drain is accidentally left open when the tank is filled, how long does it take to fill the tank?
Click here to see answer by ankor@dixie-net.com(15646)

Question 496656: A can do a piece of work in 10 days. After he has worked 2 days, B came to help him and together they finished it in 3 days. In how many days could B alone have done the work? Please give an answer. Thank you
Click here to see answer by josmiceli(9667)

Question 497036: if sam can do a job in 4 day that lisa can do in 6 days and tom can do in 2 days, how long would the job take if Sam, Lisa and tom worked together to complete it
Click here to see answer by stanbon(57285)

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