SOLUTION: an airplane travels 400 miles against the wind in 4 hours, and makes the return trip in 2 hours. What is the rate of the wind

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Question 350234: an airplane travels 400 miles against the wind in 4 hours, and makes the return trip in 2 hours. What is the rate of the wind
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
400=R*4
R=400/4
R=100 MPH.
400=R*2
R=400/2
R=200 MPH.
(200-100)/2=100/2=50 MPH. IS THE RATE OF THE WIND.
PROOF:
200-50=150 SPEED OF THE PLANE.
100+50=150 DITTO.
400=(150-50)4
400=100*4
400=400
400=(150+50)*2
400=200*2
400=400