Question

A pizza is divided into twelve equal slices. Glenn and Ben each ate 1/6 of the pizza on Monday. The next day Ben ate 1/2 of the pizza that was leftover. How many slices of the original pizza remain? explain your reasoning.

Answer 1

1/6 of twelve is two.

Both Glenn and Ben had two slices: 12-4=8

1/2 of eight is four.

Your final answer is four.