Question 111856
5/(3+W)=2/(3-W) NOW CROSS MULTIPLY.
5(3-W)=2(3+W)
15-5W=6+2W
-5W-2W=6-15
-7W=-9
W=-9/-7
W=1.29 MPH IS THE SPEED OF THE WIND.
PROOF
5/(3+1.29)=2/(3-1.29)
5/4.29=2/1.71
1.17=1.17