Question

Andrew is building a shed. The length of the shed is 8ft longer than the width, x, of the room. Which expression represents the perimeter of the room?

Answer 1

x = width

length = 8 + x

perimeter means to add all of the 4 sides

(8+x) + (8+x) + x + x =

16 + 4x = answer

Answer 2

4x + 16

Explanation:

L = 8 + x

W = x

P = 2L + 2W

P = 2 (8 + x) + 2(x)

P = 16 + 2x + 2x

P = 4x + 16