13. The length of a room is 4.5 feet longer than the width, w, of the room. Write an expression that represents the perimeter of the rectangular room.​

Answer :

Step-by-step explanation:

length = 4.5 + w

width = w

perimeter means add all of the 4 sides

(4.5 + w) + (4.5 + w) + w + w

9 + 4w = answer