Your roommates are having a discussion about cottage cheese

Your roommates are having a discussion about cottage cheese. Roommate #1 loves cottage cheese because it makes her feel full. Roommate #2 loves 2% cottage cheese because of the low fat content. Roommate #3 eats 1%. Roommate #4 eats fat-free. Cottage cheese has 15g of fat and 190 kcal per cup. 2% has 5 g of fat and 150 kcal per cup. 1% has 2.2 g of fat and 125 kcal per cup and fat free has 0.5 g of fat and 90 kcal per cup. Calculate: a. The calories from fat for each of the four types of cheese. b. The percent of calories from fat for each of the four types of cheese.