SOLUTION: an automobile radiator is full of a 20% antifreeze solution. if its capacity is 12 quarts, how many quarts must be replaced by a 95% solution to give 12 quarts of a 70% solution
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Question 797420: an automobile radiator is full of a 20% antifreeze solution. if its capacity is 12 quarts, how many quarts must be replaced by a 95% solution to give 12 quarts of a 70% solution
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent the amount replaced, then:
\ =\ 8.4)
Solve for 
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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