A pizza restaurant has hamburger, pepperoni, Canadian bacon, and sausage. how many ways can a three-topping meat pizza be made?

Answer 1

So he want to choose 3 of the 5 toppings,
Note, this is a combination, not a permutation, since the order should
not matter, so we have

C(5,3) = 5!/(2!3!) = 10

Answer 2

4C3

Answer 3

four

just hold out one of the toppings to leave three
... there are four ... held out one at a time

Answer 4

Arggghhh, I can't even count.
There were only 4 choices, not 5

go with dependable oobleck!!