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Problem 1181

How many gallons of a liquid that is 74 percent alcohol must be combined with 5 gallons of one that is 90 percent alcohol in order to obtain a mixture that is 84 percent alcohol?

Expert verified

To obtain a mixture that is 84 percent alcohol, 3 gallons of a liquid that is 74 percent alcohol must be combined with 5 gallons of one that is 90 percent alcohol.

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