Flying with the wind a plane went 183 km/h. Flying into the same wind the plane only went 141 km/h find the speed of the plane in still air and the speed of the wind

I need to write an equation and explain how I solved it, please help.

More than 450450 students traveled to a state park for a field trip. the school allowed 66 students to travel by car, and the rest traveled on 1111 buses, each of which held the same number of students. if there were ss students in each bus, which inequality best represents this situation?