At a restaurant, only 4 out of 12 people ordered an appetizer. Which of the following shows the fraction of people who could NOT order an appetizer?
_____________________________________________
4 out of 12 people ordered an appetizer
4/ 12 = 1/3
1/3 ordered an appetizer
________________
1 = 3/3
the unit (the total of people),
3/ 3 - 1/3 = 2/3
2/3
________________________
Answer 2/3 = 8/12 could NOT order an appetizer.