The length is 5ft less than twice the width and the perimeter is 80ft

Answer 1

Width = W ft.
Length = (2W - 5) Ft.
P = 2W + 2(2W - 5) = 80 Ft.
2W + 4W -10 = 80, 6W = 90, W = 15 Ft.
= Width, 2*15 - 5 = 25 = Length.