# SOLUTION: How many quarts of antifreeze must be added to 8 quarts of a 50% antifreeze solution to obtain a 60% antifreeze solution?

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 Question 189461: How many quarts of antifreeze must be added to 8 quarts of a 50% antifreeze solution to obtain a 60% antifreeze solution?Answer by nerdybill(6951)   (Show Source): You can put this solution on YOUR website! How many quarts of antifreeze must be added to 8 quarts of a 50% antifreeze solution to obtain a 60% antifreeze solution? . Let x = quarts of antifreeze added then "amt of antifreeze originally" + "added antifreeze" = "desired mix of antifreeze" .50(8) + x = .60(8+x) 4 + x = 4.8 + .60x 4 + .40x = 4.8 .40x = .8 x = .8/.40 x = 2 quarts