SOLUTION: A radiator contains 5 quarts of fluid, 20% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 40% antifreeze?

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Question 798103: A radiator contains 5 quarts of fluid, 20% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 40% antifreeze?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
In general, identical to this one, but using different values:
http://www.algebra.com/algebra/homework/word/mixtures/Mixture_Word_Problems.faq.question.798089.html