SOLUTION: A car radiator contain 8 liters of a 32 percent antifreeze solution, how many liters must be drained and replaced to get a 49 percent antifreeze solution?

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Question 293734: A car radiator contain 8 liters of a 32 percent antifreeze solution, how many liters must be drained and replaced to get a 49 percent antifreeze solution?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(8-x)*.32+x=.49*(8)
x=2
Drain 2 liters of 32% and add 2 liters of pure antifreeze