Maria L.

asked • 08/17/17

How long will it take to empy the retention pond?

Three pumps are used to empty retention Pond holding an unknown amount of water. If pump 1 can empty the pond in 4 days, pump 2 can empty the pond in 10 days, and Pump 3 can empty the pond and 5 days, how many days will it take to empty the pond if all pumps for running at the same time?

1 Expert Answer


Derek S. answered • 08/17/17

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