Let's begin by identifying key information given to us:
[tex]\begin{gathered} v=\frac{1}{9}w \\ We\text{ are to make ''w'' the subject of the relationship.} \\ \text{Multiply both sides by ''9'', we have:} \\ v\cdot9=\frac{1}{9}\cdot9\cdot w \\ 9v=w\Rightarrow w=9v \\ \therefore w=9v \end{gathered}[/tex]
