On Monday, 169 students went on a field trip to the zoo. All 4 buses were filled and 9 students had to travel in cars. How many students were in each bus
x(the number of students on the bus) so 4x=169-9 you get that equation since the number of total students minus the number of students who had to ride in a car now solve 4x=160 you get this by subtracting nine now divide by four x=40
