SOLUTION: Using a small inlet pipe, it takes 9 hours to fill a pool. Using a large inlet pipe, it only takes 3 hours to fill the same pool. If both are used simultaneously, how long will it
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-> SOLUTION: Using a small inlet pipe, it takes 9 hours to fill a pool. Using a large inlet pipe, it only takes 3 hours to fill the same pool. If both are used simultaneously, how long will it
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Question 807645: Using a small inlet pipe, it takes 9 hours to fill a pool. Using a large inlet pipe, it only takes 3 hours to fill the same pool. If both are used simultaneously, how long will it take to fill the pool? Answer by richwmiller(17219) (Show Source):