The state fair is a popular field trip destination. this year the señior class at high school a and the señior class at high school b both planned trips there the señior class 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 each bus