Need the wind speed!

Question

Joe traveled against the wind in a small plane for 3 hours. The return trip with the wind took 2.8 hours. Find the speed of the wind if the speed of the plane in still air is 180 mph.

Answer 1

Let x = wind speed, d=rt and rhe distance traveled in both directions is the same, the rt = rt:

 

(180+x)(2.8) = (180-x)(3)

 

504 + 2.8x = 540 - 3x

 

5.8x = 36

 

x = 6.21 mph