SOLUTION: How many quarts of permanent anti-freeze must be added to 10% quarts of a 40% anti-freeze solution in a radiator of a truck to make a 25% anti-freeze solution?

Question 909464: How many quarts of permanent anti-freeze must be added to 10% quarts of a 40% anti-freeze solution in a radiator of a truck to make a 25% anti-freeze solution?
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many quarts of permanent anti-freeze must be added to 10 quarts of a 40% anti-freeze solution in a radiator of a truck to make a 25% anti-freeze solution?
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Data is missing on the quarts to be added.
Cheers,
Stan H.
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Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Something is wrong with the question.
You can't add more pure antifreeze to make it weaker

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