SOLUTION: A mixture of alchohol and water contains 15% alchohol. How many gallons of alchohol must be added to 5 gallons. of this mixture to make it a 20% mixture.
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Question 1082442: A mixture of alchohol and water contains 15% alchohol. How many gallons of alchohol must be added to 5 gallons. of this mixture to make it a 20% mixture.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
In the 5 gallon mixture,
3/4 gallon is alcohol.
So to get it to 20%, add X.
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