A one-cup serving of orange juice contains 3 mg less than four times the amount of
Chapter 2, Problem 21(choose chapter or problem)
A one-cup serving of orange juice contains 3 mg less than four times the amount of vitamin C as a one-cup serving of pineapple juice. Servings of the two juices contain a total of 122 mg of vitamin C. How many milligrams of vitamin C are in a serving of each type of juice? (Source: U.S. Agriculture Department.)
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