SOLUTION: A private plane can make a 125-mile trip in half an hour when flying against a certain headwind. Flying with the same wind, it can make the trip in 25 minutes. Find the speed of th

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A private plane can make a 125-mile trip in half an hour when flying against a certain headwind. Flying with the same wind, it can make the trip in 25 minutes. Find the speed of th      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 320478: A private plane can make a 125-mile trip in half an hour when flying against a certain headwind. Flying with the same wind, it can make the trip in 25 minutes. Find the speed of the wind and the plane's airspeed.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
125=R*.5
R=125/.5
R=250 MPH. AGAINST THE WIND
125=R*25/60
R=125/(25/60)
R=125*60/25
R=4*60=240 MPH
(250-240)/2=10/2=5 MPH IS THE SPEED OF THE WIND.
250-5=245 SPEED OF THE PLANE IN STILL AIR.
240+5=245 DITTO.