Answer:
To find out how many vans are needed for the field trip, we need to divide the number of students by the capacity of each van. In this case, there are 69 students going on the trip, and each van holds 9 students, so we have
69 students / 9 students/van = <<69/9=7>>7 vans
Therefore, 7 vans are needed for the field trip.
Explanation: