A cat food manufacturer uses fish and beef by-products. The fish contians 12 g of protein and 3 g of fat per ounce. The beef contains 6 g of protein and 9 g of fat per ounce. Each can of cat food must contain at least 60 g of protein and 45 g of fat. Find a system of inequalities that can be used in each can to satisfy these minimum requirements and graph the solution set.
Pre-Calculus Systems of Inequalities?
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