The school is planning a field trip. The school has 3 classrooms. There are 18 students in the school with each classroom having the same number of students. There are 44 seats on each school bus. How many students are in each class?
There are 18 students in the school. 
There are 3 classrooms. 
Each classroom has the same number of students. 

That means that there are 6 students in each classroom.