What is this one don’t get it

Answer:
14 cups
Step-by-step explanation:
3 pizzas needed
1 pizza means 2 cups of flour
So for 3 pizzas he will need 6 cups of flour
If he has 20 cups of flour and he uses 6, how much is left?
20-6=14
Answer:
14 cups of flour
Step-by-step explanation:
The three pizzas will require 6 cups of flour.
3 x 2 = 6 cups of flour needed to make 3 pizzas.
20 - 6 = 14 cups left