SOLUTION: How many gallons of a 25% alcohol solution must be mixed with 20 gallons of a 50% alcohol solution to make 30 gallons of a 40% alcohol solution?
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Question 503890: How many gallons of a 25% alcohol solution must be mixed with 20 gallons of a 50% alcohol solution to make 30 gallons of a 40% alcohol solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of 25% solution needed
given:
= gallons of alcohol in 25% solution
gallons of alcohol in 50% solution
--------------
8 gallons of 25% solution is needed
check:
OK
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