The staff dietician at the California Institute of Trigonometry has to make up a meal with 600 calories, 20 grams of protein, and 200 milligrams of vitamin C. There are three food types to choose from: rubbery jello, dried fish sticks, and mystery meat. They have the following nutritional content per ounce.

(a) Make a mathematical model of the dietician's problem with a system of three linear equations.

(b) Find an approximate solution (accurate to within 10%)

Calories Protein Vitamin C Jello 10 1 30 Fish Sticks 50 3 10 Mystery Meat 200 .2 0