SOLUTION: How many quarts of pure antifreeze must be added to 7 quarts of a 40% antifreeze solution to obtain a 50% antifreeze solution?
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Question 878879: How many quarts of pure antifreeze must be added to 7 quarts of a 40% antifreeze solution to obtain a 50% antifreeze solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Use the lesson to learn how to solve this type of mixture problem:
Adding one material to known amount of another, both concentrations known, to make known concentration mix result
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