Question 401805
with the wind is x+y
against the wind is x-y
same distance both ways.
2(x+y)=1.25(x-y)
2x+2y=1.25x-1.25y
.75x=3.25y
x=4.33y
--------
2(x+y)=130
replace x with 4.33y
2(4.33y+y)=130
9.66y=130
y=14 mph wind