Question 1039246
Let w be the wind speed. Then:
800/160+r +3=800/160-r
800(160-r)+3(25600-r^2)=800(160+r)
128000-800r+76800-3r^2=128000+800r
3r^2+1600r-76800=0
Using the quadratic formula, we get r=44.317,-577.65
Throwing out the negative result, we get the wind velocity as 44.317 mph!!!!!!!!