A dietitian is considering three food types to be served at a meal. she is particularly concerned with the amount of one vitamin provided at this meal. one ounce of food 1 provides 8 milligrams of the vitamin; an ounce of food 2 provides 24 milligrams ; and an ounce of food 3 provides 16 milligrams. the minimum daily requirement MDR for the vitamin is 120 milligrams. 1: if only one of the three food types is to be included in the meal, how much would have to be served (in each of three possible cases) to satisfy the mdr?
i want linear equation for this equation

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