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?
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
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8 gallons of 25% solution is needed
check:
OK