Mathematics, 24.04.2020 20:23, Travon1418

5) It takes 6 hours for pump A, used alone, to fill a tank of water. Pump B used alone takes 8 hours to fill the same tank. We want to use three pumps: A, B and another pump C to fill the tank in 2 hours. What should be the rate of pump C? How long would it take pump C, used alone, to fill the tank?

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5) It takes 6 hours for pump A, used alone, to fill a tank of water. Pump B used alone takes 8 hours...