Mathematics, 18.04.2020 05:12 wreckem

When two pipes fill a pool together, they can finish in 4 hours. If one of the pipes fills half the pool then the other takes over and finishes filling the pool, it will take them 9 hours. How long will it take each pipe to fill the pool if it were working alone?

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When two pipes fill a pool together, they can finish in 4 hours. If one of the pipes fills half the...

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