A preschool has Campbell's Chunky Beef soup, which contains 2.5
g of fat and 15 mg of cholesterol per serving (cup), and Campbell's
Chunky Sirloin Burger soup, which contains 7 g of fat and 15 mg of
cholesterol per serving. By combining the soups, it is possible to
get 16 servings of soup that will have 49 g of
fat and 240 mg of cholesterol. How many cups of each soup
should be used?