The Total solution for NCERT class 6-12
Adietician has to develop a special diet using two foods P and Q. Each packet(containing 30 g) of food P contains 12 units of calcium, 4 units of iron, 6units of cholesterol and 6 units of vitamin A. Each packet of the same quantityof food Q contains 3 units of calcium, 20 units of iron, 4 units of cholesteroland 3 units of vitamin A. The diet requires at least 240units of calcium,atleasy 460 units of iron and at most 300 units of cholesterol. How manypackets of each food should be used to minimize the amount of vitamin A in thediet? What is the minimum amount of vitamin A?