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 354420: a cooling tank can be filled by one pipe in 24 minutes and by another pipe in 30 minutes. How long will it take to fill the tank if both pipes are used at the same time?
Click here to see answer by Alan3354(69443)

Question 354673: Hello,
One pipe can fill a tank in 2 h, a second pipe can fill the tank in 4 h, and a third pipe can fill the tank in 5 h. How long will it take to fill the tank with all three pipes working?
Okay, so this is how I thought it might look like:
1/2 + 1/4 + 1/5 = 3
Then I multiplied all of them by the LCM 20. However, when I was done my answer came out to be 60/19 and that just does not seem right to me. Hope you can help me with this problem! Thank you for your time = )
Click here to see answer by scott8148(6628)

Question 355083: If Pat and Mike can put together a peice of furniture in 15 minutes, and alone it takes Mike 15 minutes longer than Pat to do the same job. How long does it take them individually?
Click here to see answer by mananth(16946)

Question 355008: it takes 7 people 8.5 hours to complete a job how long would it take 4 people?
Click here to see answer by robertb(5830)

Question 355008: it takes 7 people 8.5 hours to complete a job how long would it take 4 people?
Click here to see answer by ptaylor(2198)

Question 355145: 5. James and Andy have been hired to paint a barn. James can paint the barn in 5 days working alone. Together, James and Andy can finish the barn in 2 days. How long would it take Andy, working alone, to paint the barn
Click here to see answer by checkley77(12844)

Question 355324: Craig and Cara, working together, can rake the yard in 8 hours. Working alone, Cara takes 4 times as long as Craig. How long does it take Craig to rake the yard alone?
Click here to see answer by edjones(8007)

Question 355374: Hi,
I've been having trouble with this word problem and I honestly don't know where to start. Your help would be greatly a appreciated.
Next-door neighbors Bob and Jim use hoses from both houses to fill Bob's swimming pool. They know it takes 18 hours using both hoses. They also know that Bob's hose, used alone, takes 20% less time than Jim's hose alone. How much time is required to fill the pool by each hose alone?
Click here to see answer by rfer(16322)

Question 356244: Sally paints a house in 4 hours. Ben paints the same house in 6 hours. If they worked together, how long will it take to paint the house?
Click here to see answer by mananth(16946)

Question 356284: If Jim can paint a house in 3 hr and Robert can paint the same house in 5 hr, how long does it take them to paint it together?
Click here to see answer by Alan3354(69443)

Question 356345: 3 brother live in a big house.. Josh can clean the house 3times faster than mike...
John can clean the house in 6hrs all three of them can clean the house in 3hrs...
how long does it take all three to clean house each
Click here to see answer by edjones(8007)

Question 356427: Next door neighbors Angelina and Brad use hoses from both houses to fill Brad's swimming pool. They know that it takes 18 hours using both hoses. they also know that Brad's hose, used alone takes 20% less time than Angelina's hose alone. Calculate how much time is required to fill the pool by each hose alone.
Click here to see answer by ewatrrr(24785)

Question 356789: If it takes Luke 3 hours to rake a yard, and Don 5 hours to rake the same yard, how long will it take them to rake the yard together
Click here to see answer by Fombitz(32388)

Question 356789: If it takes Luke 3 hours to rake a yard, and Don 5 hours to rake the same yard, how long will it take them to rake the yard together
Click here to see answer by Edwin McCravy(20054)

Question 356834: if someone takes hours to paint a room, and another person takes 12 hours to paint a room, if the two of them work together at the same pace, how long would it take them?
Click here to see answer by CharlesG2(834)

Question 357143: it takes a small pipe three times longer to fill a gasoline tank than a larger pipe and together they can fill in 6 hrs , how long would it take the larger pipe to fill the tank?
Click here to see answer by checkley77(12844)

Question 357292: Betty and Karen have been hired to paint the house in a new development. Working together the women can paint a house in two-thirds the lime that it takes Karen working alone. Betty takes 6h to paint a house alone. How long does it take Karen to paint a house working alone?
Click here to see answer by mananth(16946)

Question 357297: A team of 4 people has just finished half of a project in 10 days. If the rest of the project needs to be done in 5 more days, how many more people are needed?
Click here to see answer by Theo(13342)

Question 357562: One hose can fill a small swimming pool in minutes. A larger hose can fill the pool in minutes. How long will it take the two hoses to fill the pool working together?
Do not do any rounding.
Click here to see answer by Alan3354(69443)

Question 357815: It takes Mary 6 days to complete a task. It takes Mike 8 days to do the same thing.If both work together, how long would it take?
Click here to see answer by mananth(16946)

Question 357840: A swimming pool can be filled in 6 hours and requires 9 hours to drain. If the drain was accidentally left open for 6 hours while the pool was being filled, how long did filling the pool require?
Click here to see answer by Fombitz(32388)

Question 357890: Working together, it takes two computers 10 minutes to send out a company�s email. If it takes the slower computer 35 minutes to do the job on its own, how long will it take the faster computer to do the job on its own?
Click here to see answer by mananth(16946)

Question 358183: one painter can paint 2 rooms in 90 minutes. if there are 50 rooms how many painters are needed to paint all rooms in 7.5 hours.
Click here to see answer by Edwin McCravy(20054)

Question 358410: Six people to can perform a task in 8 days. If we add 2 equally able people, how long would it take?
Click here to see answer by mananth(16946)

Question 358405: A tank can be filled in 2 hours by 2 pipes together.
The larger pipe can fill it in 3 hours less than the smaller.
How long will it take each pipe to fill the tank?
Click here to see answer by mananth(16946)

Question 358403: Paul can finish a job in 2 hrs less than John. Working together they can finish it in 2 hours and 24 minutes. How long would it take Paul to finish the job working alone?
Click here to see answer by mananth(16946)

Question 358532: A project must be finished in 80 days. Contractor A costs $ 150 a day; Contractor B costs $ 100 per day. The project manager has three possible choices:
(a) Hire contractor A alone. The project would be finished just in time.
(b) Hire contractor B alone. But it�d take 100 days.
(c) Mix use of contractor A and contractor B.
Find the solution to minimize total cost and to meet deadline

Click here to see answer by ewatrrr(24785)

Question 358986: It takes 9 people 9 days to finish a project if they work 9 hours a day. If only 8 people work only 8 hours a day, how long would it take?
Click here to see answer by robertb(5830)

Question 359042: I am not sure how to begin setting this equation up. I know that it requires the d=r*t formula but what goes where and how do I solve it?
Filling a tank. A water tank has an inlet pipe and a drain
pipe. A full tank can be emptied in 30 minutes if the drain
is opened and an empty tank can be filled in 45 minutes
with the inlet pipe opened. If both pipes are accidentally
opened when the tank is full, then how long will it take to
empty the tank?
Click here to see answer by Fombitz(32388)

Question 359545: It takes Jose 12 days to complete a task. The same task would take Hans 24 days.
After the two men work on the task for 4 days, Jose leaves for vacation and Hans
continues. In how many more days will Hans finish the work?
Click here to see answer by mananth(16946)

Question 359611: paul paints a room in 6 hours. joel paints the room in 3 hours. how long will it take them to paint togather?
Click here to see answer by stanbon(75887)

Question 359564: A roofing crew can roof a house in 10 hours. If a second crew was added, the job would take 6 hours. How long would it take the second crew to roof the house alone? Thank you
Click here to see answer by CharlesG2(834)

Question 359642: two hoses,one of which has a flow-rate three times the other, can together fill a tank in 3 hours. How long does it take each of the hoses individually to fill the tank?
Click here to see answer by ewatrrr(24785)

Question 359395: it takes 4 hours to fill a tank it takes 6 hours to empty the tank how long dose it take to fill it if both vales are open
Click here to see answer by Fombitz(32388)

Question 359875: if james earns $6 per hour, how many hours per week does he work if he makes $360 every 2 weeks?

Click here to see answer by rfer(16322)

Question 360161: Sam and Pat are painting a room. Sam can paint the room in 3 hours, Pat can paint the room in 5 hours. How long will it take to paint the room if they paint together.
Click here to see answer by stanbon(75887)

Question 361445: Working alone John can pain a house in 7 hours. If Joe and John paint it together they can finish it in 3 hours.
How long does it take Joe to pain the house?
Click here to see answer by stanbon(75887)

Question 361679: If you hire the Sod Guys to lay 3000 square feet of sod, it will cost $8300. If you get them to lay 1560 square feet it will cost $6540. How much will it cost to get 3250 square feet?
Click here to see answer by stanbon(75887)

Question 361718: 6 painters can paint 10 houses in 5 hours. How many painters are needed to paint 24 houses in 8 hours.
Click here to see answer by Alan3354(69443)

Question 362533: If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks?

Click here to see answer by josmiceli(19441)

Question 362686: Matt can refinish the floor of an apartment in 8h. Mike can refinish the floor in 6h. How long will it take them working together to refinish the floor.
Click here to see answer by nyc_function(2741)

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