SOLUTION: A Delta 727 traveled 560 mph with the wind and 480 mph against the wind. Find the speed of the plane in still air and the speed of the wind. PLEASE HELP!

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Question 231951: A Delta 727 traveled 560 mph with the wind and 480 mph against the wind. Find the speed of the plane in still air and the speed of the wind. PLEASE HELP!
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A Delta 727 traveled 560 mph with the wind and 480 mph against the wind. Find the speed of the plane in still air and the speed of the wind.
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a = airspeed of plane
w = wind speed
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a+w = 560
a-w = 480
---------- Add
2a = 1040
a = 520 mph
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w = 40 mph