SOLUTION: One pump can drain a pool in 7 minutes. When a second pump is also used together with the first, the pool only takes 2 minutes to drain. How long would it take the second pump to d
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-> SOLUTION: One pump can drain a pool in 7 minutes. When a second pump is also used together with the first, the pool only takes 2 minutes to drain. How long would it take the second pump to d
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Question 378756: One pump can drain a pool in 7 minutes. When a second pump is also used together with the first, the pool only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use? Found 2 solutions by user_dude2008, scott8148:Answer by user_dude2008(1862) (Show Source):
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