Homework Help: Algebra

Posted by sherry on Thursday, March 22, 2012 at 9:19am.

The radiator in Natalies car contains 6.3L of antifreeze and water.This mixture is 30% antifreeze.How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 505 antifreeze?

Algebra - Reiny, Thursday, March 22, 2012 at 10:20am
What is 505 antifreeze ??
Algebra - sherry, Thursday, March 22, 2012 at 9:50pm
That is suppose to be 50% antifreeze.

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