It takes 30 minutes for a
pump to empty a water tank. A larger pump can
empty the tank in hal...
Mathematics, 27.01.2021 20:20 vane1161
It takes 30 minutes for a
pump to empty a water tank. A larger pump can
empty the tank in half the time. If both
pumps were
operating, how long would it take to empty the tank?
Answers: 2
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