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The nutritional content per ounce of three foods is presented in the table below. If a meal consisting of the three foods allows exactly 3200 calories, 122 grams of protein, and 2000 milligrams of vitamin C, how many ounces of each kind of food should be used? Protein Vitamin C Calories (in grams) (in milligrams) Food A 100 13 50 Food B 300 11 200 Food C 400 10 250 Food A: oz Food B: oz Food C: oz