SOLUTION: How many quarts of pure antifreeze should replace some of the 10 quart mixture of 40% antifreeze in a radiator to convert the 10 quart mixture in the radiator to 80% antifreeze

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Question 928704: How many quarts of pure antifreeze should replace some of the 10 quart mixture of 40% antifreeze in a radiator to convert the 10 quart mixture in the radiator to 80% antifreeze
Answer by josgarithmetic(39623)   (Show Source): You can put this solution on YOUR website!
You need to know or be given the concentration of the antifreeze to replace the volume of material removed. A lesson on the way the arithmetic (or algebra) works for this type of problem is here:

Drain and Replace: Radiator Antifreeze Mixture
http://www.algebra.com/my/drain-and-replace-antifreeze.lesson?content_action=show_dev

(The address is shown in case the hyperlink does not work).

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