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?
Answers: 2
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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...
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