Answer fast please

Q2. A dietician is planning a special diet consisting of three major food stuffs A, B, and C. Each packet (containing 30 g) of food A contains 7 units of calcium, 3 units of iron, and 5 units of fat and 6 units of cholesterol. Each packet of the same quantity of food B contains 2, 4, 3 and 4 units of calcium, iron, fat and cholesterol, respectively; and each packet of the same quantity of food C contains 4, 2, 6 and 3 units of calcium, iron, fat and cholesterol, respectively. The dietician wants the diet to provide at least 550 units of calcium, at least 260 units of iron, at most 430 units of fat. Formulate a linear programming model to determine how many packets of each food should be used to minimize the amount of cholesterol in the diet