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OpenStudy (anonymous):
One hose can fill a small swimming pool in 50 minutes. A larger hose can fill the pool in 30 minutes. How long will it take the two hoses to fill the pool working together?
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OpenStudy (gorv):
1/30 +1/50=(50+30)/1500=80/1500=8/150=4/75
OpenStudy (anonymous):
18.75 min
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