Question 20508
Perimeter of the rectangle is = 2 ( l + b ) ,where l is the length and b is the breath of the rectangle.

Let b be the width of the rectangle.

Given, l = 2 b - 5.

Also perimeter = 230 ft.

Therefore, 2 (2b - 5 + b ) = 230

2 ( 3b - 5) = 230

6b-10=230

6b=240
b=40.

l=2(40)-5=80-5=75.

Hence, l = 75  and b= 40