SOLUTION: A mechanic needs a radiator to have 30% antifreeze solution. The radiator currently is filled with 5 gallons of 25% antifreeze solution. How much antifreeze mixture should be drai

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Question 863906: A mechanic needs a radiator to have 30% antifreeze solution. The radiator currently is filled with 5 gallons of 25% antifreeze solution.
How much antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze.

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Very typical problem and its lesson: Drain and Replace: Radiator Antifreeze Mixture
http://www.algebra.com/tutors/drain-and-replace-antifreeze.lesson?content_action=show_dev

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