Chris wants to make at least 4.5 pounds, but no more than 5 pounds of berry salad he finds a carton of raspberries that weighs 1.83 pounds a carton of blueberries that weighs 1.5 pounds a carton of blackberries that weighs 1.29 pounds if Chris wants to use three different types of berries what is one combination of cartons he should buy?
