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Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 649267: Next door neighbors Bob and Jim use hoses from both houses to fill Bobs swimming pool. They know that it takes 18 hours to fill using both hoses. They also know that Bobs hose, used alone, takes 20% less time than Jims hose alone. How much time would is required to fill the pool by each hose alone? .. I am having a hard time showing my work, not neccesarily getting the answer but id aprreciate any help
Click here to see answer by josmiceli(9817)  |
Question 650084: sam is filling his swimming pool. the fill pipe for a swimming pool can fill the pool in 2 hours, and the drain pipe can drain it in 3 hours. Sam accidentally leaves both pipes open. How long will it take to fill the swimming pool
Click here to see answer by nerdybill(7003)  |
Question 651259: George can paint a room alone in six hours. Ed can paint the same room alone in eight hours. George starts painting at 10:00 A.M. Ed joins George at 11:00 A.M. and the two men continue painting until the room is completed. At what time will they finish painting the room?
Click here to see answer by lwsshak3(6761) |
Question 653705: ONE BOTTLING MACHINE CAN FILL 400 BOTTLES OF WATER IN 1 HOUR AND ANOTHER MACHINE CAN FILL 400 BOTTLES OF WATER IN 1.5 HOURS. IF BOTH MACHINES ARE WORKING, HOW MUCH TIME DOES IT TAKE TO FILL 400 BOTTLES OF WATER?
Click here to see answer by josmiceli(9817)  |
Question 653878: Andrew can paint the neighbors house 5 times as fast as Bailey. The year Andrew and Bailey worked together, it took them 9 days. How long would it take each to paint the house?
Answer
Andrew: 10 4/5
Bailey 54 days
But how?
If I read this right my formula should be:
R T Equation
Andrew 1/x 9 9 1/x
Baily 1/5x 9 9 1/5x
9/x+1/5x=1
Now I’m lost LCD should be x+5X?
Click here to see answer by solver91311(17077)  |
Question 653878: Andrew can paint the neighbors house 5 times as fast as Bailey. The year Andrew and Bailey worked together, it took them 9 days. How long would it take each to paint the house?
Answer
Andrew: 10 4/5
Bailey 54 days
But how?
If I read this right my formula should be:
R T Equation
Andrew 1/x 9 9 1/x
Baily 1/5x 9 9 1/5x
9/x+1/5x=1
Now I’m lost LCD should be x+5X?
Click here to see answer by htmentor(807)  |
Question 657421: 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 kevwill(135)  |
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