SOLUTION: If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the wind, find the speed of the plane in still air.

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Question 711659: If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the wind, find the speed of the plane in still air.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the wind, find the speed of the plane in still air.
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It's the average of those 2 speeds, and it's called airspeed.