Question 53763
Length times width is the area, we want the perimeter, which is the sum of all the lengths of the sides (width+width+length+length).

Let's call width x. If the length is 5 less than twice x, it'll be 2x-5. Now we equal the perimeter to 230 and solve:

{{{x + x + 2x-5 + 2x-5 = 230}}}
{{{4x - 10 = 230}}}
{{{4x = 240}}}
{{{x = 60}}}

If the width is 60 ft, the length will be 2*60 - 5 = 115 ft.