Question 356640
let width be x
10W=3L
L=10W/3
...
length = 10x/3
perimeter = 130 yards
..
Perimeter = 2*(L+W)
2*(10x/3+x)=130
2*(13x/3)=130
13x/3 =65 
13x= 195
x=15 yards the width
length = 10x/3
=150/3
 = 50 yards the length