Mathematics
Mathematics, 08.08.2019 00:30, camillanewberry

Pipe a fills a tank in 9 hours. pipe b fills
the tank in 6 hours. how long would it
take both pipes to fill the tank?

answer
Answers: 1

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Pipe a fills a tank in 9 hours. pipe b fills
the tank in 6 hours. how long would it
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