SOLUTION: An airplane flew for 6 hours with a 22-km/h tail wind. The return flight against the same wind took 8 hours. Find the speed of the plane in still air.

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: An airplane flew for 6 hours with a 22-km/h tail wind. The return flight against the same wind took 8 hours. Find the speed of the plane in still air.      Log On


   

Question 70287This question is from textbook
: An airplane flew for 6 hours with a 22-km/h tail wind. The return flight against the same wind took 8 hours. Find the speed of the plane in still air. This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
6*(S+22)=8*(S-22)
6S+132=8S-176
6S-2S=-176-132
-2S=-308
S=-308/-2
S=154 KM/H WAS THE SPEED OF THE AIRPLANE IN STILL AIR.