SOLUTION: if a plane can travel 500mph with the wind and 420 miles against the wind, find the speed of the plane still in the air

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Question 460306: if a plane can travel 500mph with the wind and 420 miles against the wind, find the speed of the plane still in the air
Answer by MathOclock(6) About Me  (Show Source):
You can put this solution on YOUR website!
500/420=1.9
you should know this .