For Exercises, identify the objective function and constraints of the linear programming p...

For Exercises, identify the objective function and constraints of the linear programming problem. Then solve the problem and interpret the real-world meaning of the results.

Pet Nutrition: Food Cost PETsMAJRT.com sold the following varieties of dog food in June 2003:

Nature’s Recipe Venison Meal & Rice Canine,

20 percent protein, $21.99 per 20-pound bag

 PETsMART Premier Oven Baked Lamb Recipe,

25 percent protein, $22.99 per 30-pound bag.

 (Source: www.petsmart.com.)

A dog breeder wants to make at least 300 pounds of a mix containing at most 22 percent protein. How many bags of each dog food variety should the breeder buy in order to minimize cost? (Hint: Note that each bag is a different weight.)