Solved: A vat with 500 gallons of beer contains 4% alcohol
Chapter 7, Problem 7.6.45(choose chapter or problem)
A vat with 500 gallons of beer contains 4% alcohol (by volume). Beer with 6% alcohol is pumped into the vat at a rate of and the mixture is pumped out at the same rate. What is the percentage of alcohol after an hour?
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