Plane flies 480 miles w/tailwind in 2 hrs but takes 3 hrs to fly 480 miles

gabe o

New member
against wind. Speed in still air? A plane flies 480 mile with a tailwind in 2 hrs. It takes the same plane 3 hrs to fly 480 miles when flying against the wind. What is the planes speed in still air? Show a formula with work for answer.
 
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