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How many quarts of pure antifreeze must be added to 7 quarts of a 10​% antifreeze solution to obtain a ​30% antifreeze​ solution?

How many quarts of pure antifreeze must be added to 7 quarts of a 10​% antifreeze solution to obtain a ​30% antifreeze​ solution?
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How many quarts of pure antifreeze must be added to 7 quarts of a 10​% antifreeze solution to obtain a ​30% antifreeze​ solution?

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User Rutha
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1 Answer

3 votes

Answer: 2 quarts of pure antifreeze are needed.

Explanation:

answered
User Andreas Schmid
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