SOLUTION: An airplane flying with the wind takes 2 hours to travel a distance of 420 miles. The return trip takes 3 hours flying against the wind. What is the speed of the airplane in stil
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Question 1185094: An airplane flying with the wind takes 2 hours to travel a distance of 420 miles. The return trip takes 3 hours flying against the wind. What is the speed of the airplane in still air and how fast is the wind blowing?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Speed with the wind, ;
Speed against wind, ;
r, plane speed
w, wind speed
Simple use of Elimination Method
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