SOLUTION: at maximum speed, an airplane travels 2100 miles against the wind in 6 hours. Flying with the wind, the plane can travel the same distance in 4 hours. Let x be the maximum speed of

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: at maximum speed, an airplane travels 2100 miles against the wind in 6 hours. Flying with the wind, the plane can travel the same distance in 4 hours. Let x be the maximum speed of      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 448583: at maximum speed, an airplane travels 2100 miles against the wind in 6 hours. Flying with the wind, the plane can travel the same distance in 4 hours. Let x be the maximum speed of the plane and y be the speed of the wind. What is the speed of the plane with no wind?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
Let x be the maximum speed of the plane and y be the speed of the wind
Question states*** Note: D = r*t or r = D/t
x +y = 525mph |2100mi/4hr = 525mph
x -y = 350mph |2100mi/6hr = 350mph
2x = 875
x = 437.5mph, speed of plane. Wind speed is 87.5