Consider the following linear programming problem. A farmer plans to use two types of food to make a mix of low-cost feed for the animals on his farm. A bag of food A costs $16 and contains 24 units of proteins, 1 unit of minerals and 8 units of vitamins. A bag of food B costs $6.80 and contains 7 units of proteins, 1 unit of minerals and 15 units of vitamins. How many

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.8: Linear Programming
Problem 33E
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Consider the following linear programming problem. A farmer plans to use two types of food to make a mix of low-cost feed for the animals on his farm. A bag of food A costs $16 and contains 24 units of proteins, 1 unit of minerals and 8 units of vitamins. A bag of food B costs $6.80 and contains 7 units of proteins, 1 unit of minerals and 15 units of vitamins. How many bags of food A and B should be consumed by the animals each day in order to meet the daily requirements of at least 280 units of proteins, 23 units of minerals and 240 units of vitamins at a minimum cost?

a) Define your variables using full sentences.

b) Write the objective (Minimize or Maximize) and the objective function.

c) State the constraints. Do NOT find the feasible set.

d) For this linear programming problem, the corner points of the feasible set and the values of the objective function at these points are given below.

Corner Points: #1 (0,40), #2 (7,16), #3(15,8), #4 (30,0)

Value of objective function on corner point: #1 272, #2 220.8, #3 294.8, #4 480.

The ordered pairs in the table above are in the form (food A, food B).

How many bags of food A and B should be bought in order to meet the nutritional requirements at a minimum cost? What is the minimum cost possible to satisfy the nutritional requirements?

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