SOLUTION: when flying with the wind a paticular airplane travels at 430km/h. when flying against the wind the airplane can only travel at 270km/h. let the airplane's speedin still airbe Y ki

Question 1011736: when flying with the wind a paticular airplane travels at 430km/h. when flying against the wind the airplane can only travel at 270km/h. let the airplane's speedin still airbe Y kilometers per hour and let the wind speed be X kilometers per hour
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Flying with the wind, the plane's speed is:
km/hr
Flying against the wind, the plane's speed is:
km/hr
----------------------
Add the equations

-----------------

Plug this result back into either equation

The plane's speed in still air is 350 km/hr
The wind speed is 80 km/hr
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