posted by marie on .
using the fundamental counting principle with three or more groups of items
A pizza can be ordered with three choices of size (small, medium, or large), four choices of crust (thin,thick,crispy, or regular, and six choices of toppings (ground beef, sausage, pepperoni, bacon, mushroom, or onions). How many one-topping pizzas can be ordered?
Multiply the number of choices together.
3 x 4 x 6 = _____
I did not know that was called the "fundamenntal counting principle".