Brandi can order a small, medium, or large pizza with pepperoni, mushrooms, or sausage.
\Find how many different one-topping pizzas can she order.
\The number of small pizzas with different one-topping is .
The number of medium pizzas with different one-topping is .
The number of large pizzas with different one-topping is .
Total is .
Therefore, she order different one-topping pizzas.
She order different one-topping pizzas.