Answer :
Width = x cm
Length = 4x - 16
Perimeter = x + x + 4x -16 + 4x - 16
28 = 10x -32
(+ 32 to both sides)
60 = 10x
6 = x
Width = 6cm
Length = (6x4) - 16
= 8cm
Length = 4x - 16
Perimeter = x + x + 4x -16 + 4x - 16
28 = 10x -32
(+ 32 to both sides)
60 = 10x
6 = x
Width = 6cm
Length = (6x4) - 16
= 8cm