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Q: How many quarts of water must be added to 4 quarts of an 80 percent mixture to obtain a 50 percent mixture?
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A pineapple drink contains 15 percent pineapple juice how much pineapple juice should be added to 8 quarts of the drink to obtain a mixture containing 50 percent pineapple juice?

5.6 quarts


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4.2 quarts


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