SOLUTION: an aeroplane flies with the wind,1200km in3 h,and completes the return flight in 3h40min.find the speed of the aeroplane on a quiet day and the wind speed under the above condition

Algebra ->  Test -> SOLUTION: an aeroplane flies with the wind,1200km in3 h,and completes the return flight in 3h40min.find the speed of the aeroplane on a quiet day and the wind speed under the above condition      Log On


   



Question 1067930: an aeroplane flies with the wind,1200km in3 h,and completes the return flight in 3h40min.find the speed of the aeroplane on a quiet day and the wind speed under the above conditions.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
an aeroplane flies with the wind,1200km in3 h,and completes the return flight in 3h40min.find the speed of the aeroplane on a quiet day and the wind speed under the above conditions.
---------
Find the 2 groundspeeds downwind and upwind.
The plane's airspeed is the average of the 2.
----
Windspeed is the difference between airspeed and groundspeed.