SOLUTION: Raul can plumb a house in 48 hours. Mira can do the same job in 36 hours. How long would it take if they worked together?

SOLUTION: Raul can plumb a house in 48 hours. Mira can do the same job in 36 hours. How long would it take if they worked together?

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Question 845396: Raul can plumb a house in 48 hours. Mira can do the same job in 36 hours. How long would it take if they worked together?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/48+1/36=1/x
x = 144/7
x = 20.571
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