SOLUTION: An airplane flew for 4.23 hrs with a 25.5 km/hr tail wind. The return flight against the same wind took 4.97 hours. Find the speed of the plane still in the air. Find to the nea

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: An airplane flew for 4.23 hrs with a 25.5 km/hr tail wind. The return flight against the same wind took 4.97 hours. Find the speed of the plane still in the air. Find to the nea      Log On


   



Question 40001: An airplane flew for 4.23 hrs with a 25.5 km/hr tail wind. The return flight against the same wind took 4.97 hours. Find the speed of the plane still in the air. Find to the nearest km/hr.
thanx

Answer by Paul(988) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the speed:
EQUATION:
4.23(x+25.5)=4.97(x-25.5)
Can u solve that?
Paul.