Chapter 5.6, Problem 3QQ

Martha put a rectangular pavilion in the center of her $32\frac{1}{2}$ -foot by28-foot backyard. There is

a grass area $5\frac{1}{2}$ feet wide around the entire perimeter of the pavilion. The pavilion and grass

take up the entire $32\frac{1}{2}$ -foot by 28-foot yard.

a. What are the dimensions of the pavilion?

b. How much will it cost to put a row of tile around the outside of the pavilion if the tile costs

$2 per linear foot?