SOLUTION: one pipe can fill a pool in 6 hours. The drain can empty the whole pool in 12 hours. With a pipe on the drain open, how long would it take the pool to be filled
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-> SOLUTION: one pipe can fill a pool in 6 hours. The drain can empty the whole pool in 12 hours. With a pipe on the drain open, how long would it take the pool to be filled
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Question 935129: one pipe can fill a pool in 6 hours. The drain can empty the whole pool in 12 hours. With a pipe on the drain open, how long would it take the pool to be filled Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! r = w/t
t = w/r
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rates are additive:
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r = 1/6 - 1/12
t = 1/r
t = 1/(1/6 - 1/12)
t = 12 hours
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