Mathematics, 07.03.2020 03:46 lanettejohnson355
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? Do not do any rounding.
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Working together, two pumps can drain a certain pool in 5 hours. If it takes the older pump 15 hours...
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