4) New York City 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 11 vans and 9 buses with 622 students. High School B rented and filled 11 vans and 4 buses with 362 students. Each van and each bus carried the same number of students. How many students can a van carry? How many students can a bus carry? 5) A plane traveled 1080 miles each way to Toronto and back. The trip there was with the wind. It took 9 hours. The trip back was into the wind. The trip back took 18 hours. What is the speed of the plane in still air? What is the speed of the wind? 6) Two angles are suplementary, thus their sum is one hundred eighty degress. The larger of the two angles is 16 less than four times the smaller angle. Find the measure of each angle. 7) Two angles are complementary, thus their sum is ninety degress. The larger of the two angles is 3 less than two and a half times the smaller angle. Find the measure of each angle. 8) Ms. Elmer bought some $3.29 and $4.44 masks. In all, she bought 25 masks and paid $92.60 How many of each type of mask did she buy?