Posted by Anonymous on .
An aircraft flew 6 hours with the wind. The return trip took 7 hours against the wind. If the speed of the plane in still air is 276 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air.
The wind soeed was ______ mph.

repost math question 
MathMate,
Distance = 6(256+w)=7(256w)
Solve for w.