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SOLUTION: A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how
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-> SOLUTION: A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how
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Question 274541
:
A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how long will it take to fill the pool?
Answer by
richwmiller(15954)
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x/12+x/30=1
5x+2x=60
7x=60
x=60/7=8.57 hrs