SOLUTION: Pump a can fill a tank in 12 minutes
Pump b can fill a tank in 20 minutes
How long to fill a tank with pump a and b together
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Question 830518: Pump a can fill a tank in 12 minutes
Pump b can fill a tank in 20 minutes
How long to fill a tank with pump a and b together
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
together they are
so 7 minutes, 30 seconds
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