Width = 4ft
Length = 6ft
Explanation:
Let length = l ,
So, width = 2l-8
Perimeter of rectangle = 2x(length + width)
According to the question,
[tex]20ft = 2X(l + 2l-8)\\20ft = 2X(3l -8)\\ 10ft = 3l-8\\18ft = 3l \\ l = 6ft[/tex]
Hence,
Width = 4ft
Length = 6ft
