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

Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)

Question 342933: An old pump can drain a pool in 6 hours working alone. A new pump can drain the pool in 4 hours working alone. How long will it take both pumps to empty the pool working together?
Click here to see answer by stanbon(75887)

Question 343439: Lick Skillet Road, near Boulder, Colorado, climbs 792 ft over a horizontal distance of 5280 ft. What is the grade of the road? grade=rate
Click here to see answer by solver91311(24713)

Question 343479: 12 people do a job in 12 days. How many people are needed to do the same job in 1 day?
Click here to see answer by Fombitz(32388)

Question 343479: 12 people do a job in 12 days. How many people are needed to do the same job in 1 day?
Click here to see answer by solver91311(24713)

Question 343393: IT CAN TAKE 12 HOURS TO FILL A SWIMMING POOL USING 2 PIPES.IF THE PIPE OF LARGER DIAMETER IS USED FOR 4 HOURS,THE PIPE OF SMALLER DIAMETER IS USED FOR 9 HOURS,ONLY HALF OF THE POOL CAN BE FILLED.HOW LONG WOULD IT TAKE FOR EACH PIPE TO FILL THE POOL SEPERATELY?
Click here to see answer by ankor@dixie-net.com(22740)

Question 343674: I need help on the following problem:
If Joe paints a house in two hours and Fred paints a house in eight, how long does it take them to paint it together.
I have tried to use the formula 1/(1/2)+(1/8) but I do not think that the answer is correct. If there's any other method, I would sincerely appreciate it. Thank you so much!
Click here to see answer by scott8148(6628)

Question 344055: a gallon of paint covers 500^2ft. how many gallons of paint are needed to apply two coats of paint to the four walls of a room measuring 14ft by 16ft with 8 foot ceilings?
Click here to see answer by checkley77(12844)

Question 344481: Jon can mow the lawn in 6 hours. Kim can mow the lawn in 5 hours. How long will it take them to mow the lawn if the work together?
Click here to see answer by nerdybill(7384)

Question 344530: 22. Two pumps of different sizes, working together, can empty a fuel tank in 5 hours. The larger pump can empty this tank in 4 hours less time than the smaller. If the larger pump is out of order, how long will it take the smaller one to do the job alone?
Click here to see answer by scott8148(6628)

Question 344615: 5 painters can finish the job in 12 days. How many days it will take 6 painters to finish the job with %50 more wall space.
Click here to see answer by ankor@dixie-net.com(22740)

Question 344666: it required 75 men 38 days to build a flood control dike.if 18 less men were employed, how much longer would it have taken to build the dike? show solution.
Click here to see answer by Fombitz(32388)

Question 344860: It takes 2 printers 108 mins to complete 5580 pages---working alone 1st printer takes 90 mins---how long will it take each printer to do the job alone--and the speed of each printer?
Thanks
Click here to see answer by Alan3354(69443)

Question 344915: andrew can paint the neighbor's house 3 times as fast as bailey. the year they worked together it took them 2 days. how long would it take for each one to paint hte house alone?
Click here to see answer by stanbon(75887)

Question 346096: A strong man takes two minutes to make one cut through a log. How long will he need to cut a ten-foot long log into four equal pieces?
Click here to see answer by Fombitz(32388)

Question 346255: if it takes someone 20 mins to mow a lawn and someone else 15 mins to mow a lawn how long if they both do it together?
Click here to see answer by user_dude2008(1862)

Question 346639: Sally can mow a typical yard in 3 hours and joe and mo0w the same yard in 5hours. working together exactly how many hours will it take to mow 1 yard?
Click here to see answer by Alan3354(69443)

Question 346693: Can you please help me solve this question? One computer printer can print a company's mailing labels in 40 minutes. A second printer would take 60 minutes to print the labels. How long would it take the two printers, operating together, to print the labels? Thank you.
Click here to see answer by ptaylor(2198)

Question 346384: Jane,Paul and Peter can finish painting the fence in 2 hours. If Jane does the job alone she can finish it in 5 hours. if Paul does the job alone he can finish it in 6 hours. How long will it take for Peter to finish the job alone?
Click here to see answer by scott8148(6628)

Question 347041: If one maid can clean a house in 4 hours and another maid can clean a house in 6 hours how long would it take for the both of them to clean the house if they worked together?
Click here to see answer by ptaylor(2198)

Question 347067: a mason can build a wall in 6 hours less than an apprentive. together they can build the wall in 4 hours. how long would it take the apprentice, working alone, to build the wall?
Click here to see answer by ptaylor(2198)

Question 347014: It takes a boy 90 minutes to mow the lawn, but his sister can mow it in 60 minutes. How long would it take them to mow the lawn if they worked together, using two lawn mowers?
Click here to see answer by ptaylor(2198)

Question 347017: It takes a girl 45 minutes to deliver the newspapers on her route; however, if her brother helps it takes only 20 minutes. How long would it take her brother to deliver the newspapers by himself?
Click here to see answer by ptaylor(2198)

Question 347351: John by himself can paint 4 rooms in 10 hrs. if he hires Mark to help, they can do the same job together in 6 hrs. if he lets Mark work alone, how long will it take for Mark to paint 4 rooms?
Click here to see answer by stanbon(75887)

Question 347523: a spring flows at a rate of 75 gallons per minute. about how many hours does it take to produce 1,000,000 gallons?
Click here to see answer by fractalier(6550)

Question 347628: 7. Paul read 20 pages of a book in 15 minutes.
(a) What is Paul�s reading rate of pages per minute?
(b) If he continues to read at the same rate, how many pages will he read in 1 hour?

Click here to see answer by stanbon(75887)

Question 347673: 90. Barn Painting. Melanie can paint a certain barn by herself in x days. Her helper Melissa can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expression for x=5.
Click here to see answer by stanbon(75887)

Question 347365: Wendy,a landscaper, who just completed a rectangular flower garden measuring 25 feet by 15 feet, orders 3 cubic yards of pre-mix cement, all of which is to be used to create a border of uniform width around the garden. If the border is to have a depth of 3 inches, how wide will the border be?
Click here to see answer by nyc_function(2741)

Question 347372: Wendy, a landscaper, who just completed a rectangular flower garden measuring 25 feet by 15 feet, orders 3 cubic yards of pre-mixed cement, all of which is to be used to create a border of uniform width around the garden. If the border is to have a depth of 3 inches, how wide will the border be?
Click here to see answer by nyc_function(2741)

Question 347656: Wendy, a landscaper, who just completed a rectangular flower garden measuring 25 feet by 15 feet, orders 3 cubic yards of pre-mixd cement, all of which is to be used to create a border of uniform width around the garden. if the border is to have a depth of 3 inches, how wide will the border be?
Click here to see answer by nyc_function(2741)

Question 347741: two cars leave a intersection at the same time. one is headed south at a constant speed of 30 mph, the other is headed west at a constant speed of 40 mph. what is the distance between the cars in 30 minutes?
Click here to see answer by checkley77(12844)

Question 348045: if lisa can shovel her driveway in 45 minutes and tom can do it in 35 minutes how long will it take if they both did it.
Click here to see answer by mananth(16946)

Question 348047: jodie bicycles 7km faster than dennis, in the same time it takes dennis to bicycle 60km, jodie can bicycle 81km how fast does each bicyclist travel
Click here to see answer by scott8148(6628)

Question 348054: jodie bicycles 7km faster than dennis, in the same time it takes dennis to bicycle 60km, jodie can bicycle 81km, how fast does each bicyclist travel
Click here to see answer by mananth(16946)

Question 348056: please help me with this question jodie bicycles 7km faster than dennis in the same time it takes dennis to bicycle 60km, jodie can bicycle 81km. How fast does each bicyclist trave? Thank you for your help!
Click here to see answer by mananth(16946)

Question 348181: An oil tanker can be emptied by the main pump in 4 hours. An auxiliary pump can empty the tanker in 9 hours. If the main pump is started at 9 AM, when should the auxiliary pump be started so that the tanker is emptied by noon?
Click here to see answer by ankor@dixie-net.com(22740)

Question 348183: A bathroom tub will fill in 15 minutes with both faucets open and the stopper in place. With both faucets closed and the stopper removed, the tub will empty in 20 minutes. How long will it take for the tub to fill if both faucets are open and the stopper is removed?
Click here to see answer by scott8148(6628)

Question 348319: If Sally can paint a house in 4 hours and Johan can paint the same house in 6 hours, how long will it take for both of them to paint the house together?
Click here to see answer by checkley77(12844)

Question 348796: A swimming pool is draining at 269 gallons per minute.
How much water has been drained if the pump has been running for 3 hours and 11 minutes?

Click here to see answer by checkley77(12844)

Question 348900: Construction A roofer requires 12 hours to shingle a roof. After the
roofer and an apprentice work on a roof for 3 hours, the roofer moves
on to another job. The apprentice requires 12 more hours to finish the
job. How long would it take the apprentice, working alone, to do the job?

Click here to see answer by scott8148(6628)

Question 349049: Typist A spends 2560 minutes to do a job. How much time does it take for Typist B to do the same job, if when they work together it takes them both 45 minutes to do four jobs?
I am having trouble with this thanks
Click here to see answer by mananth(16946)

Question 349097: If it takes one worker 20 hours to roof a house and another 25 hours how long will it take them to work together?
Click here to see answer by mananth(16946)

Question 349097: If it takes one worker 20 hours to roof a house and another 25 hours how long will it take them to work together?
Click here to see answer by stanbon(75887)

Question 349112: Jose can paint a house in 10 days and peter can paint the same house in 12 days . how long will it take to paint the house if both men work ?

Click here to see answer by nerdybill(7384)

Question 349216: It takes joe to fill the pool with a bucket in 30minutes. It take sue to fill the same pool in 45 minutes, and it takes bill to fill the same pool in 90minutes. How long would it take for all three to fill the pool at the same time?
Click here to see answer by ptaylor(2198)

Question 349617: Mr. Wallace can paint a fence in 2 hours. His son Greg can paint the fence in 6 hours. Mr. Wallace painted alone for 1 hour and stopped working. How many hours did it take Greg to finish the job? Show your work.
Click here to see answer by CharlesG2(834)

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