Question 1025800
An airplane averaged 160 miles per hour with the wind and 112 miles per hour against the wind. Determine the speed of the plane and the effect of the wind resistance. 
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The plane's airspeed is the average of the 2 groundspeeds.
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It's not "wind resistance."  
The effect of the relative wind is to enable planes to fly.
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People who write math problems should stick to things they understand.