Answer:
The inequality becomes:

Explanation:
Let the variable x represent the number of students on each bus.
So, in 12 buses there are 12x students.
The inequality becomes:

So, to know how many students will fit in a bus, we will solve the inequality.

=>

=>

Dividing both sides by 12;
We get x > 30
There were more than 30 students in each bus.