SOLUTION: How much of 40% solutions of alcohol and how much of an 80% solution should be mixed to give 40 gallons of a 50 % solution?

SOLUTION: How much of 40% solutions of alcohol and how much of an 80% solution should be mixed to give 40 gallons of a 50 % solution?

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Question 1072094: How much of 40% solutions of alcohol and how much of an 80% solution should be mixed to give 40 gallons of a 50 % solution?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
x gallons of the 40%
40-x gallons of the 80%

two-part mixture, find amounts of both parts - example
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