SOLUTION: A radiator contains 6 quarts of fluid, 15% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 45% antifreeze? (Ro

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Question 1070834: A radiator contains 6 quarts of fluid, 15% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 45% antifreeze? (Round your answer to two decimal places.)
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let = quarts of fluid to be drained
and replaced
= quarts of antifreeze in the fliuid
that is drained and replaced
-----------------------------------------






2.12 quarts of fluid must be drained and replaced
-------------------------
check:
ounces of antifreeze to start with
ounces of antifreeze is drained off
ounces of antifreeze is added
---------------------------------------
final ounces of antifreeze


close enough
check the math
Get another opinion if needed

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