Mathematics, 29.03.2021 14:00, mpete1234567890

tap A fills a tank in 6 hours tap B fills it in 8 hours and tap C empties it in 10 hours. starting with an empty tank and all the three taps are opened find how long it takes to fill the tank?

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tap A fills a tank in 6 hours tap B fills it in 8 hours and tap C empties it in 10 hours. starting w...