you a framing a picture that is 5 in by 7in. with a 1 inch wide frame. find the perimeter of the outside edge of the frame. explain, pleaswe i know the anser is 32 but why?

4 answers

5 + 2 = 7
7 + 2 = 9

P = 2L + 2W
P = 2(7) + 2(9)
P = 14 + 18
gracias!
but where does the 2 in five plus 2 come from?
The frame is on all sides.