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

Algebra ->  Customizable Word Problem Solvers  -> Travel -> 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       Log On

 

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