SOLUTION: With water from one hose, a swimming pool can be filled in 9 hours. A second, larger hose used alone can fill the pool in 4 hours. How long would it take to fill the pool if both h

SOLUTION: With water from one hose, a swimming pool can be filled in 9 hours. A second, larger hose used alone can fill the pool in 4 hours. How long would it take to fill the pool if both h

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Question 230923: With water from one hose, a swimming pool can be filled in 9 hours. A second, larger hose used alone can fill the pool in 4 hours. How long would it take to fill the pool if both hoses were used simultaneously?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
9*4/(9+4)=36/13=2.769 hours when both hoses are used.
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