SOLUTION: Flying against the wind, an airplane travels 4,320 kilometers in 9 hours. Flying with the wind, the same plane travels 5,520 kilometers in 6 hours. What is the rate of the plane in

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Flying against the wind, an airplane travels 4,320 kilometers in 9 hours. Flying with the wind, the same plane travels 5,520 kilometers in 6 hours. What is the rate of the plane in      Log On


   



Question 1168295: Flying against the wind, an airplane travels 4,320 kilometers in 9 hours. Flying with the wind, the same plane travels 5,520 kilometers in 6 hours. What is the rate of the plane in still air and what is the rate of the wind?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
speed of plane = s, speed of plane = w

s - w = 4320/9 = 480
s + w = 5520/6 = 920

(s, w) = (700, 220)