An airplane travels 3270 kilometers against the wind in 5 hours and 4270 kilometers with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work