Calculating the Perimeter of a Rectangular Playground

Jack wants to construct a rectangular playground for his neighborhood. The length of the playground is 15 feet and the width is 10 feet.

To determine how much fencing he needs to buy to surround the entire playground, we need to calculate the perimeter.

The formula for finding the perimeter P of a rectangle is: $$P = 2(l + w)$$, where $$l$$ is the length and $$w$$ is the width.