SOLUTION: Working together, two pumps can drain a certain pool in
5 hours. If it takes the older pump 15 hours to drain the pool by itself, how long will it take the newer pump to drain t
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-> SOLUTION: Working together, two pumps can drain a certain pool in
5 hours. If it takes the older pump 15 hours to drain the pool by itself, how long will it take the newer pump to drain t
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Question 1135882: Working together, two pumps can drain a certain pool in
5 hours. If it takes the older pump 15 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own? Answer by josgarithmetic(39620) (Show Source):
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