Question 405447
width =x
length=2x-3
..

Perimeter = 2*(L+W)
2*(x+2x-3)=90
2(3x-3)=90
/2
3x-3=45
+3
3x=48
/3
x=16feet ===>width

length = 2x-3===> 2*16-3=29feet