Katie's swim team is having an end-of-season pizza party. When the party started, there were 50 slices of pizza. Now there are 20 slices left. Which of the following shows how much of the pizza has been eaten?
A. 20/50
B. 60%
C. 40%
D. 40/100
AAAaannndd the bot gets it wrong yet again!
20 slices left means 30 slices eaten: 30/50 = 60%