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Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 470039: A certain swimming pool can be drained in 5 hours using a large pump. The same swimming pool can be drained in 12 hours using a small pump. How long, rounded to the nearest hour, will it take to drain the swimming pool using 2 small pumps and 1 large pump?
Click here to see answer by Alan3354(69443)  |
Question 471087: A painter and his son can paint a room together in 8 hours. If the father works alone for 3 hours and then is joined by his son, the two together can complete the job in 6 hours. How long will it take each person alone to paint the room?
Click here to see answer by Edwin McCravy(20054)  |
Question 471832: A cold water faucet can fill a sink within 12 minutes and a hot water faucet can fill it in 15 minutes. The drain can empty the sink in 25 minutes. If both faucets are on and the drain is open, how long will it take to fill the sink?
Click here to see answer by amoresroy(361)  |
Question 472088: Hi there and thanks in advance. Betty and Karen working together can paint a house in two-thirds time it takes Karen working alone. Betty takes 6 hours to paint a house alone. How long does it take Karen to paint a house working alone?
I know the usually way to solve these but the 2/3 part is screwing me up.
Click here to see answer by jorel1380(3719)  |
Question 472712: i need your help.. please solve this problem:
June can finish an accounting work in 8 hours . While Leo can do the same job in 6 hours. After 2 hours of working together, June left Leo for lunch and Leo finished the job. FIND THE AMOUNT OF TIME FOR LEO TO FINISH THE JOB..
thanks so much! ^^
Click here to see answer by Theo(13342)  |
Question 473368: I do not understand how to come up with the answer or an equation to help me get the answer for this problem. The word problem reads:
If 14 workers can complete a job in 2 days, how long will it take 4 workers to complete the same job? And assume that all workers work at the same rate.
I have tried to divided it multiply it and subtract but nothing makes sense to me. Please help!!!!!
Click here to see answer by stanbon(75887) |
Question 474898: One day officer Fog spend 4hr. processing passengers from a flight from Brazil a rate of 16 passengers every 40 min. The next day, she spent 4hr. processing passengers at a rate 18 every 40min. What was the average she processed during these two 4hr. periods.
Click here to see answer by Theo(13342)  |
Question 476072: If 12 men can dig 35 holes in 14 days,
(a) how many men are needed to dig 35 holes in 8 days,
(b) how many days would it take 12 men to dig 30 holes?
Please help me with ONLY Part B. Part A I know how to do. If Part B needs the answer from Part A, the answer is 21 men.
Click here to see answer by Alan3354(69443)  |
Question 476072: If 12 men can dig 35 holes in 14 days,
(a) how many men are needed to dig 35 holes in 8 days,
(b) how many days would it take 12 men to dig 30 holes?
Please help me with ONLY Part B. Part A I know how to do. If Part B needs the answer from Part A, the answer is 21 men.
Click here to see answer by jorel1380(3719)  |
Question 476353: It takes me 4 less hours to paint a room than my husband would take to paint the same room. If they can paint this size room in 1 ½ hours working together, how long would each of them take to paint the room alone?
Click here to see answer by stanbon(75887) |
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