# SOLUTION: How many gallons of a 70% antifreeze solution must be mixed with 80 gallons of 25% antifreeze to get a mixture that is 60% antifreeze?

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 Question 464052: How many gallons of a 70% antifreeze solution must be mixed with 80 gallons of 25% antifreeze to get a mixture that is 60% antifreeze?Answer by jorel1380(2518)   (Show Source): You can put this solution on YOUR website!m(.70)+80(.25)=.6(m+80) .7m+20=.6m+48 .1m=28 m=28/.1=280 gallons of 25% antifreeze needed..