Bob, the nutritionist who works for University Medical Center, has been inquired to make special diets for two patients, Susan and Tom. Bob has made decision that Suzan's meals must contain at least 400 mg of calcium, 20 mg of iron, and 50 mg of vitamin C, while Tom's meals must contain at least 350 mg of calcium, 15 mg of iron, and 40 mg of vitamin C. Bob has also made decision that meals are to be prepared from three basic foods: tents of these foods are summarized in accompanying table. Determine how many ounces of every kind of food must be used in the meal so that minimum requirements of calcium, iron, and vitamin C are fulfill for each patient's meals. Calcium Contents (mg/oz) Vitamin C Iron Food A 30 1 2 Food B 25 1 5 Food C 20 2 4