There are 22 pieces of pizza because 14 plus 8 equals 22. They have eaten 18 pieces of pizza because 9 plus 9 equals 18. There are 4 pieces of pizza left because 22 minus 18 equals 4. There are 2 pieces per person because 4 divided by 2 equals 2.
This justifies what answer for what question? Q & A:
Phil and Andre decide to order some pizza. They get a small cheese and a large pepperoni. The small pizza has 8 slices, The large has 14 slices. They have both eaten 9 slices already. How many pieces are left per person?
2