###### Exercise112

A rectangle’s perimeter is \({210\ {\rm cm}}\text{.}\) Its length is \(4\) times as long as its width. Use an equation to find the rectangle’s length and width.

It’s width is .

Its length is .

A rectangle’s perimeter is \({210\ {\rm cm}}\text{.}\) Its length is \(4\) times as long as its width. Use an equation to find the rectangle’s length and width.

It’s width is .

Its length is .