A dietitian wishes to plan a meal around three foods. The meal is to include 16,200 units of vitamin A, 4,620 units of vitamin C, and 680 units of calcium. The number of units of the vitamins and calcium in each ounce of the foods is summarized in the table below. Determine the amount of each food the dietitian should include in the meal in order to meet the vitamin and calcium requirements.
Food I Food II Food III
Vitamin A 450 1800 1350
Vitamin C 120 530 385
Calcium 80 20 50