SOLUTION: The cooling system of a cerain fereign-made car has a capacity of 15 liters. if the system is filled with a mixture that is 40% anifreeze, how muxh of this mixture should be draine
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Question 217474: The cooling system of a cerain fereign-made car has a capacity of 15 liters. if the system is filled with a mixture that is 40% anifreeze, how muxh of this mixture should be drained and replaced by pure antifreeze so that the systm is filled with a solution that is 60% antifreeze?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
x+.4(15-x)=15*.6
x+6-.4x=9
.6x=3
x=5 lt of 100% solution
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