SOLUTION: Word problem. 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 th

SOLUTION: Word problem. 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 th

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Question 70454: Word problem.
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 the wind speed
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
840/2=42O MPH AGAINST THE WIND
840/1.75=480 MPH WITH A HEAD WIND
(480-420)/2
60/2=30 MILE HEAD/TAIL WIND
PROOF
420+30=480-30
450=450
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