A plane flies 2284 mi with the wind. In the same amount of time, it can fly 2036 mi against the wind. The cruising speed (in still air) is 540 mph. Find the speed of the wind.

Solution:

The  speed of the wind:x mph

2284/(540+x) = 2036/(540-x)

x=31

 the speed of the wind is 31 mph