Mathematics, 17.04.2020 22:24 carmenguabaoql9kv
It takes an older pump 4 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps 3 hours to drain the pool. How
long will it take the newer pump to drain the pool working alone?
Answers: 2
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It takes an older pump 4 times as long to drain a certain pool as it does a newer pump. Working toge...
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