SOLUTION: A plane took 3 hours to get from Chicago to New York with a tailwind of 30 mph. It took 4 hours to make the return trip with a headwind of the same speed, 30 mph. How fast was the

Question 466112: A plane took 3 hours to get from Chicago to New York with a tailwind of 30 mph. It took 4 hours to make the return trip with a headwind of the same speed, 30 mph. How fast was the plane traveling in still air?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Let x represent speed of the plane traveling in still air

 3(x+30) = 4(x-30)

   210mph = x, speed of the plane traveling in still air



CHECKING our Answer***

 3hr* 240mp = 4hr* 180mph = 720 mi 

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