A vendor sells ice cream from a cart on the boardwalk He off

A vendor sells ice cream from a cart on the boardwalk. He offers vanilla, chocolate, strawberry, blueberry, and pistachio ice cream, served on either a waffle, sugar, or plain cone. How many different single-scoop ice-cream cones can you buy from this vendor?

number of diff ice cream cones = number of ways in which a flavour can be selected * number of ways in which cone can be selected = 5 C1 * 3C1 = 15