Mathematics
Mathematics, 06.10.2019 19:30, hHRS3607

The first tap can fill the pool in 10 hours. when the second tap was opened, the empty pool was filled in 6 hours. how long will it take the second tap to fill the pool alone?

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Answers: 2

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The first tap can fill the pool in 10 hours. when the second tap was opened, the empty pool was fill...

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