A dietitian in a hospital is to arrange a special diet composed of three basic foods. The diet is to include exactly 340 units of calcium, 180 units of iron, and 400 units of vitamin A The number of units per ounce of each special ingredient for each of the foods is indicated in the table. Construct a mathematical model to complete parts (A) through (C) below. Use Gauss-Jordan elimination to solve the model and then interpret the solution. Units per Ounce Food A Food B Food C Calcium 30 10 20 Iron 10 10 20 Vitamin A 30 20 30 Construct a mathematical model for this situation. Let the first, second, and third equations represent calcium, iron, and vitamin A, respectively. Let x, represent the number of ounces of food A, x, represent the number of ounces of food B, and x, represent the number of ounces of IC. 口+ロを+口% ]*123 = O 口+口を+口s %=| (Type integers or decimals.) %3D

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