Question

The length of a rectangle is 5 meters less than 3 times the width. The perimeter is 54 meters. Find the width.

Answer 1

The perimeter is given by:

`\begin{gathered} P=2w+2l \\ \text{where:} \\ w=\text{width} \\ l=\text{length} \end{gathered}`

Since the length of a rectangle is 5 meters less than 3 times the width: