Question 926060
x = airplane speed in still air
y = wind speed
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s = d/t
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upwind:
x - y = 1980/5.5
x - y = 360
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downwind:
x + y = 1980/4.5
x + y = 440
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put the system of linear equations into standard form
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x - y = 360
x + y = 440
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copy and paste the above standard form linear equations in to this solver:
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solution:
x = airplane speed in still air = 400 mph
y = wind speed = 40 mph
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