SOLUTION: How many quarts of pure antifreeze must be added to 6 quarts of a 20​% antifreeze solution to obtain a 30​% antifreeze​ solution?
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Question 1051866: How many quarts of pure antifreeze must be added to 6 quarts of a 20% antifreeze solution to obtain a 30% antifreeze solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many quarts of pure antifreeze must be added to 6 quarts of a 20% antifreeze solution to obtain a 30% antifreeze solution?
Add Q quarts.
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6*20 + Q*100 = (6+Q)*30
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