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Mathematics, 11.12.2019 19:31 williamslyric
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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