400
The class is going from the school to the ice cream shop for a field trip. There are 40 students in the classroom. The bus will only hold 9 students. How many trips does the bus need to make to get all of the students to the ice cream shop?
What is 5 trips. 9x4=36 40-36=4 4 trips will bring 36 students and the remaining 4 students will come on the 5th trip.