trosehall5201 trosehall5201
  • 02-04-2018
  • Mathematics
contestada

If a plane can travel 450450 miles per hour with the wind and 410410 miles per hour against the​ wind, find the speed of the wind and the speed of the plane in still air.

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sqdancefan
sqdancefan sqdancefan
  • 02-04-2018
The plane speed in still air is the average of the two speeds: 430 miles/hour.
The wind speed is half the difference of the two speeds: 20 miles/hour.
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