A work crew had two pumps one new one old the new pump can fill the same tank in 5 hours and the old pump can fill the same tank in 7 hours. How much of a tank can be filled in 1 hour with the new pump? With the old pump?
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Home » Mathematics » A work crew had two pumps one new one old the new pump can fill the same tank in 5 hours and the old pump can fill the same tank in 7 hours. How much of a tank can be filled in 1 hour with the new pump? With the old pump?