Ralph Edmund loves steaks and potatoes. Therefore, he has decided to go on a steady diet of only these two foods (plus some liquids and vitamin supplements) for all his meals. Ralph realizes that this isn’t the healthiest diet, so he wants to make sure that he eats the right quantities of the two foods to satisfy some key nutritional requirements. He has obtained the following nutritional and cost information.
Ralph wishes to determine the number of daily servings (may be fractional) of steak and potatoes that will meet these requirements at a minimum cost.
a. Identify verbally the decisions to be made, the constraints on these decisions, and the overall measure of performance for the decisions.
b. Convert these verbal descriptions of the constraints and the measure of performance into quantitative expressions in terms of the data and decisions.
c. Formulate and solve a linear programming model for this problem on a spreadsheet.
d. Formulate this same model algebraically.
e. Use the graphical method by hand to solve this model.
f. Use the Graphical Linear Programming and Sensitivity Analysis module in your Interactive Management Science Modules to apply the graphical method to this model?
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