Answer:
14 cups of flour.
Step-by-step explanation:
Rodney is making three pizzas.
The recipe says that for one pizza he needs flour = 2 cups
Rodney buy a bag of flour containing = 20 cups flour
Rodney needs flour for three pizzas = 3 × 2 = 6 cups
He will have left over flour after making the pizzas = 20 - 6
= 14 cups of flour.
Rodney will have left over 14 cups of flour after making the pizzas.