Question 449064
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Hi
Let x and y represent speed of the plane in still air and the speed of the wind
 x - y  = 500    |1800mi/3.6hr  (36min = .6hr)
 x + y  = 600    |1800mi/3hr
   2x = 1100
    x = 550mph,speed of the plane in still air. Speed of the wind is 50mph