SOLUTION: A mechanic has found that a car with a 12-quart radiator has 45% antifreeze mixture in the radiator. He has a 75% antifreeze solution. How much of the 45% solution would he have to

Question 1042640: A mechanic has found that a car with a 12-quart radiator has 45% antifreeze mixture in the radiator. He has a 75% antifreeze solution. How much of the 45% solution would he have to replace with the 75% solution to get the radiator up to 60% antifreeze solution?
Answer by ikleyn(52908) (Show Source): You can put this solution on YOUR website!
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A mechanic has found that a car with a 12-quart radiator has 45% antifreeze mixture in the radiator.
He has a 75% antifreeze solution. How much of the 45% solution would he have to replace with the 75% solution
to get the radiator up to 60% antifreeze solution?
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Similar problem was solved in the lesson
- Word problems on mixtures for antifreeze solutions, Problem 3
in this site.

Consider it as a sample. Read it attentively.

Then solve your problem by substituting your data.

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