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0 votes
one pump can empty the pool in 5 days, whereas a second pump can empty the pool in 7 days. how long it will take the two pumps, working together, to empty the pool?

asked
User Pyves
by
7.4k points

1 Answer

4 votes
4 days jfjdhsbsiegebehehebeihrhe
answered
User MS Ibrahim
by
8.4k points
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