Final answer:
100 percent represents the entire pizza, and in this case, 100 percent of the pizza is equal to 12 slices.
Step-by-step explanation:
The question refers to a scenario where Megan has ordered a pizza that is sliced into 12 pieces.
Here, 100 percent represents the full amount of something, which in this case, is the total number of pizza slices.
Therefore, 100 percent of Megan's pizza is 12 slices.
It means all the slices of the pizza are taken into account.