Question 275742
D=RT
240=(R-W)3 AGAINST THE WIND.
R-W=240/3
R-W=80
240=(R+W)2 WITH THE WIND.
R+W=240/2
R+W=120
R-W=80 
(120-80)/2=40/2=20 MPH FOR THE WIND SPEED.
PROOF:
240=80*3
240=240
240=120*2
240=240