Problem A-4 (Algo) A diet is being prepared for the University of Arizona dorms. The objective is to feed the students at the least cost, but the diet must have between 1,800 and 3,420 calories. No more than 2,090 calories can be starch, and no fewer than 270 can be protein. The varied diet is to be made of two foods: A and B. Food A costs $1.00 per pound and contains 650 calories, 270 of which are protein and 130 starch. No more than 110 pounds of food A can be used per resident. Food B costs $170 per pound and contains 900 calories, of which 290 are starch, 180 are protein, and 430 are fat. a. Write the equations representing this information. (Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 2 decimal places.) Z = A + B 5 sit + B Calories s + B 2 Calories Starch VINVIN A + B s + Protein B s Amount of A A