SOLUTION: An airplane flies 400 miles against a headwind in 2 hours. The return trip with the same wind as a tailwind, takes 1 hour and 40 minutes. Find the plane's air speed and the wind sp
Question 903939: An airplane flies 400 miles against a headwind in 2 hours. The return trip with the same wind as a tailwind, takes 1 hour and 40 minutes. Find the plane's air speed and the wind speed. Answer by mananth(16946) (Show Source):