Marie is buying an ice-cream sundae. there are 3 sizes of sundaes, 15 different ice-cream flavors, and 5 different toppings. how many ways can marie choose a sundae? a. 23 b. 50 c. 75 d. 225

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right