SOLUTION: With drain pipes A and B open, a swimming pool can be emptied in 1.5 hours. If drain pipe A can empty the pool in 3 hours, how long would it take to drain pipe B to empty the pool?

SOLUTION: With drain pipes A and B open, a swimming pool can be emptied in 1.5 hours. If drain pipe A can empty the pool in 3 hours, how long would it take to drain pipe B to empty the pool?

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Question 821930: With drain pipes A and B open, a swimming pool can be emptied in 1.5 hours. If drain pipe A can empty the pool in 3 hours, how long would it take to drain pipe B to empty the pool?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1.5/3+1/x=1
1/2+1/x=1
1/x=1/2
x=2

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