SOLUTION: How many quarts of pure antifreeze must be added to 2 quarts of a 10% antifreeze solution to obtain a 20% antifreeze solution?
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Question 1045066: How many quarts of pure antifreeze must be added to 2 quarts of a 10% antifreeze solution to obtain a 20% antifreeze solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Using arithmetic with a variable,
let v be how much of the pure 100% antifreeze to add.
Be sure this equation makes sense. When it does, then a large part of the problem has been handled. Solve for v.
, which as quarts, would be 1 cup or 8 fluid ounces.
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