February 28, 2017

Homework Help: Algebra

Posted by coried on Wednesday, August 5, 2009 at 3:27pm.

Word problem:

Radiator in a certain make needs to contain 50 liters of 40% antifreeze. The radiator now contains 50 liters of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?

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