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Mathematics, 08.12.2020 14:50 MengXiong1
Tap A fills a tank in 4hours while B fills the same tank in 3hours. Tap C empties this tank when full in 2hours. If the tank is initially empty and all three taps are opened, how long will it take to fill the tank?
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Tap A fills a tank in 4hours while B fills the same tank in 3hours. Tap C empties this tank when ful...
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