Mathematics, 06.07.2019 06:30 Hg1533
One pump can fill a reservoir in 60 hours. another pump can fill the same reservoir in 80 hours. a third pump can empty the reservoir in 90 hours. if all three pumps are operating at the same time, how long will it take to fill the reservoir? pls solve and explain
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Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.
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One pump can fill a reservoir in 60 hours. another pump can fill the same reservoir in 80 hours. a t...
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