Question 978826
Flying against the wind, an airplane travels 2700 km in 3 hours. Flying with the wind, the same plane travels 10,800 km in 9 hours. What is the rate of the plane in still air and what is the rate of the plane?
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Find the 2 groundspeeds, downwind & upwind.
The plane's airspeed is the average of the 2.
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What does "rate of the plane" mean?