SOLUTION: A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 3 hours, while the outlet pipe can empty it in 7 hours. How long will it take to fill the Vat wi
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Question 900837: A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 3 hours, while the outlet pipe can empty it in 7 hours. How long will it take to fill the Vat with both pipes are left open?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/3-1/7=1/x
7/21-3/21=1/x
4/21=1/x
x=21/4=5.25 hours
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