The water park 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 2 vans and 7 buses with 335 students. High School B rented and filled 1 van
and 9 buses with 404 students. Each van and each bus carried the same number of students. Find
the number of students in each van.