Mathematics, 22.03.2021 16:50, mely2668

A certain pipe can be used to fill a pool with water in 2 hours. A second pipe can be used to fill the pool in 4 hours. How long does it take to fill the pool when both pipes are used at the same time?

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A certain pipe can be used to fill a pool with water in 2 hours. A second pipe can be used to fill t...