Question

Can someone please help I asked earlier but no one is answering!

Answer 1

a) 4x+6

b) 28

Explanation:

The perimeter is equal to 1+x+1+x+1+1+1+x+1+x.

Simplifying we have 4x+6.

If we plug in 5.5 for x, we get 4*5.5+6=28