Traveling to Vietnam,a plane encounters a tailwind and averages 289 mph.However ,on the return trip the plane , now traveling ag
ainst the same wind averages 257mph. Find the speed of the wind and the speed of the plane in no wind
2 answers:
2 * plane speed in still air = 289mph + 257mph = 546
plane speed in still air = 273 mph
plane speed in still air + wind speed = 289
273 + wind speed = 289
Therefore, wind speed = 16 mph
The answer to your question is 16 mph
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