SOLUTION: Flying against the wind, an airplane travels 7380km in 9 hours. Flying with the wind, the same plane travels 6300km in 5 hours. What is the rate of the plane in still air and what

Question 894381: Flying against the wind, an airplane travels 7380km in 9 hours. Flying with the wind, the same plane travels 6300km in 5 hours. What is the rate of the plane in still air and what is the rate of the wind?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the 2 groundspeeds, upwind and downwind.
The plane's airspeed is the average.
Windspeed is the difference between airspeed and groundspeed.
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The "rate of the plane in still air" is not used by anyone that flies.
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