After Mario ate 1/4 of the pizza, there were 3/4 left.
Then, after his pet poodle ate 1/3 of the pizza, there were 2/3 left.
Therefore, there are 2/3 of the pizza left.
Mario ordered a pizza for dinner. When it arrived, Mario quickly ate 1/4
of the pizza. While Mario was getting napkins, his pet poodle ate 1/3
of the pizza.
1 answer