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jaee122601 jaee122601
  • 14-02-2017
  • Mathematics
Answered

at a maximum speed an airplane travels 2100 miles against the wind in 6 hours. Flying with the wind, the plane travel the same distance in 4 hours. what is the speed of the plane with no wind?

Verified Answer :

Xander101
Xander101 Xander101
  • 14-02-2017

Let x be the maximum speed of the plane and y be the speed of the wind


**Note: D = rt or r = D/t***


x +y = 525mph |2100mi/4hr = 525mph


x -y = 350mph |2100mi/6hr = 350mph


2x = 875

x = 437.5mph, speed of plane. Wind speed is 87.5

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