Answer: 60
Step-by-step explanation:
Given
The restaurant offers 2 types of crust, 6 different toppings, and 5 different sizes
The number of different Pizzas that can be ordered is [tex]2\times 6\times 5[/tex]
Here, multiplication operation is performed because each offers variation to the pizza.
So, the total varieties are [tex]60[/tex]