Arectangular swimming pool has a length twice as long as its width. the pool has a sidewalk around it that is 2 feet wide. write an expression that would you find the area of the pool and its sidewalk.

Step-by-step explanation:

The width(W) of the pool

This implies that, the length (L) of the sw

imming pool is

Also the width of the swimming pool with the sidewalk

And the length of the swimming pool with the sidewalk

Area of the swimming pool is given by

Writing expression for the area of swimming pool together with the sidewalk, we obtained