Question 406174
 For spring break some students flew to Cancun. From Mexico City, the airplane took 2 hours to fly 600 miles against a head wind. The return trip with the wind took 1 2/3 hour. Find the speed of the plane in still air.
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The "speed of the plane in still air" is called airspeed.
600/3 = 300 mi/hr
600/1 2/3 = 360 mi/hr
The airspeed is the average = (300 + 360)/2 = 330 mi/hr