Answer:
2 students
Explanation:
First, you find the number of students eating either salads and sandwiches. Then, you add the number of students eating salads and sandwiches together. Finally, you will subtract that number from the 12 total students
2/3 * 12/1 = 8 (sandwiches)
1/6 * 12/1 = 2 (salads)
8 + 2 = 10 (combined)
12 - 10 = 2 students