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Problem 8: A 500-gallon tank contains liquid that is 10% alcohol (the tank is full). A 50% alcohol liquid solution is pumped into the

Problem 8: A 500-gallon tank contains liquid that is 10% alcohol (the tank is full). A 50% alcohol liquid solution is pumped into the tank at a rate of 12 gallons per minute. Liquid leaves the tank at the same rate. What percent of the liquid in the tank is alcohol after 10 minutes?

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