SOLUTION: the radiator in natalie�s car contains 6.3 l of antifreeze and water. this mixture is 30% antifreeze. how much of this mixture should she drain and replace with pure antifreeze so

SOLUTION: the radiator in natalie�s car contains 6.3 l of antifreeze and water. this mixture is 30% antifreeze. how much of this mixture should she drain and replace with pure antifreeze so

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Question 354458: the radiator in natalie�s car contains 6.3 l 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 50% antifreeze?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
(6.3 - x)(30%) + (x)(100%) = (6.3)(50%)
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