Mathematics, 21.01.2020 05:31 vanleervanleer
One pump can empty a pool in 6 days, whereas a second pump can empty the pool in 12 days. how long will it take the two pumps, working together, to empty the pool?
it will take the two to empty the pool together.
Answers: 3
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One pump can empty a pool in 6 days, whereas a second pump can empty the pool in 12 days. how long w...
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