SOLUTION: With a certain tail wind an airplane reached its destination, 630 miles away, in 1� hours. Flying back against the same wind, the plane took 15 minutes longer to make the trip. Fin

Question 151834: With a certain tail wind an airplane reached its destination, 630 miles away, in 1� hours. Flying back against the same wind, the plane took 15 minutes longer to make the trip. Find the wind speed and the plane's airspeed
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
630/1.5=420 MPH IS THE SPEED WITH THE TAIL WIND.
630/1.75=360 MPH IS THE SPEED AGAINST THE WIND.
(420-360)/2=60/2=30 MPH IS THE WIND SPEED.
420-30=390 FOR THE PLANE SPEED
360+30=390 DITTO.
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