Mark M. answered • 02/27/17
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m represents the number of minutes needed
m/40 + m/60 = 1
Can you solve for m?
Felix F.
asked • 02/27/17Filling pool
Ginger wants to fill her new swimming pool. She has two pumps. The large pump takes 40 minutes to fill and the small pump takes 60 minutes. How long will it take to fill the pool if both pumps are working?
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