SOLUTION: A military helicopter traveling directly into a strong headwind was able to travel 450 mi in 2.5 h. The return trip now with tailwind took 1 h 40 min. Find the speed of the helicop

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A military helicopter traveling directly into a strong headwind was able to travel 450 mi in 2.5 h. The return trip now with tailwind took 1 h 40 min. Find the speed of the helicop      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 352670: A military helicopter traveling directly into a strong headwind was able to travel 450 mi in 2.5 h. The return trip now with tailwind took 1 h 40 min. Find the speed of the helicopter in calm air and the rate of the wind.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
h - w = 450 / 2.5

h + w = 450 / (5/3)

add the equations to find h (w will cancel) , then substitute to find w