At Beast Island Pizza, every pizza comes with cheese and tomato sauce. Beast Island Pizza offers four toppings: Pepperoni, sausage, mushrooms, and onions. Customers can add any number of toppings to a pizza, but Beast Island Pizza does not let customers double up on toppings or add extra cheese to a pizza.
Due to popular demand, Beast Island Pizza has agreed to make half-and-half pizzas. Each topping can now be added to either half of the pizza or the whole pizza. In how many different ways could a customer order a pizza?
So from my understanding there are 16 ways to order a whole pizza
