Answer:
Length is 5 cm and width is 3 cm
Step-by-step explanation:
Width is w
Length is l
Perimeter is 2l + 2w
Perimeter is 16
w = l-2
16 = 2l + 2w
16 = 2l +2(l-2)
16 = 2l + 2l - 4
16 = 4l - 4
20 = 4l
5 = l
Substitute that back into w:
w = (5) - 2
w = 3
