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?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! 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?
--------------
Find the 2 groundspeeds, downwind & upwind.
The plane's airspeed is the average of the 2.
----------
What does "rate of the plane" mean?
|
|
|
