Mathematics, 15.12.2020 14:00 dwarfarmy99

How many quarts of pure antifreeze must be added to 8 quarts of a 20% antifreeze solution to obtain a 30% antifreeze solution? (Round to the nearest tenth as needed.)

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How many quarts of pure antifreeze must be added to 8 quarts of a 20% antifreeze solution to obtain...

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