For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?
Let's think this one through.
If 472 students went on the field trip and 4 of those students weren't in the buses, then there were 468 students in nine buses.
If those 468 students are divided evenly into 9 buses that would look something like this mathematically