7) The state fair is a popular field trip destination. This year the senior class at High School A and the
senior class at High School B both planned trips there. The senior class at High School A rented and
filled 8 vans and 8 buses with 240 students. High School B rented and filled 4 vans and 1 bus with
54
students. Every van had the same number of students in it as did the buses. Find the number of students
in each van and in each bus.
8v+8b=240
47+1b=54
brv+30
b=-40+54