Mathematics, 13.04.2021 18:50 Dmend4

Mary's diet is to contain at least 24 units of carbohydrates and 19 units of protein. Food substance A costs $1.40 per unit and each unit contains 3 units of carbohydrates and 4 units of protein. Food substance B costs $0.80 per
unit and each unit contains 2 units of carbohydrates and 1 unit of protein. How many units of each substance
should she purchase in order to minimize cost? What is the minimum cost?

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Mary's diet is to contain at least 24 units of carbohydrates and 19 units of protein. Food substance...