# SOLUTION: How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 50% antifreeze? you need to add ___ gallons of a 60% antif

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 Click here to see ALL problems on Mixture Word Problems Question 487016: How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 50% antifreeze? you need to add ___ gallons of a 60% antifreeze solution.Answer by josmiceli(9686)   (Show Source): You can put this solution on YOUR website!Let = gallons of a 60% antifreeze solution needed = gallons of antifreeze in the 60% solution = gallons of antifreeze in 25% solution -------------- In words: ( total gallons of antifreeze ) / ( total gallons of solution ) = 50% 150 gallons of 60% antifreeze solution must be added check answer: OK