Two planes leave Pittsburgh and Philadelphia at the same time, each going to the other
Chapter 8, Problem 39(choose chapter or problem)
Aviation Two planes leave Pittsburgh and Philadelphia at the same time, each going to the other city. One plane flies 25 miles per hour faster than the other. Find the airspeed of each plane given that the cities are 275 miles apart and the planes pass each other after 40 minutes of flying time.
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