Weights of different sandwiches in two lengths are shown in the table. The table is titled Weight of Sandwiches by Length of Roll. The table has three columns and four rows. The first column is not labeled. It lists the types of sandwiches. The second column is labeled six-inch roll and the third column is labeled twelve-inch roll. Cheese sandwich, one-fourth of a pound, three-fourths of a pound. Chicken salad sandwich, three-fourths of a pound, one and three-fourths pounds. Egg salad sandwich, two-thirds of a pound, one and one-third pounds. Vegetable sandwich, three-fourths of a pound, one and one-fourth pounds.

Which sandwich’s weight is proportional to its length?

cheese sandwich

chicken salad sandwich

egg salad sandwich

vegetable sandwich