Question

Twelve education students, in groups of four, are taking part in a student-teacher program. Mark cannot be in the first group because he will be arriving late.

How many ways can the instructor choose the first group of four education students?

Please explain step by step how to get the answer.

Answer 1

The answer is 330

Explanation:

Answer 2

Alright, so there are 12 students and they need to be in four groups.
12 divided by 4 equals is 3.
So there are 3 groups of 4 people each.
If Mark is not in the first group, there are 2 other groups he can be in because there are 3 groups.
The instructor can choose 2 other groups.