The Boyles are building a large pool in their backyard. They want to make the pool 30 feet by 10 feet. They learn that the city codes
require a fence to be built at a set distance of x feet from each side
of the pool.
Without knowing the value of x, how can they express the total
number of square feet that will be enclosed by the fence?
1
x ft
30 ft
10 ft
x ft.
1
X ft
kxft