SOLUTION: How much of a 40% antifreeze solution must a mechanic mix with a 70% antifreeze solution if she needs 25 gallons of a 50% antifreeze solution?
Question 1096641: How much of a 40% antifreeze solution must a mechanic mix with a 70% antifreeze solution if she needs 25 gallons of a 50% antifreeze solution? Answer by josgarithmetic(39617) (Show Source):