Mathematics, 02.08.2021 20:30, Powerhickory1313
A tank can fill by the taps in 8 hours and can be emptied by the other taps in 10 hours. How long will it take to fill the tank if both the taps are opened together?
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A tank can fill by the taps in 8 hours and can be emptied by the other taps in 10 hours. How long wi...
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