SOLUTION: With a head wind, a plane traveled 840 miles northward in 2 hours. With the same wind as a tail wind, the return trip southward took 1 hour and 45 minutes. Find the plane's air s

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: With a head wind, a plane traveled 840 miles northward in 2 hours. With the same wind as a tail wind, the return trip southward took 1 hour and 45 minutes. Find the plane's air s      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 163464: With a head wind, a plane traveled 840 miles northward in 2 hours. With the same wind as a tail wind, the return trip southward took 1 hour and 45 minutes. Find the plane's air speed and wind speed.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
840/2=420 mph.
840/1.75=480 mph.
(480-420)/2=60/2=30 mph. is the speed of the wind.
420+30=450 mph. speed of the plane
480-30=450 mph. ditto.