Respuesta :

Let:

[tex]k\cdot IW=I^{\prime}W^{\prime}[/tex]

Where:

k = scale factor

IW = 12

I'W'= 8

so, solving for k:

[tex]\begin{gathered} k=\frac{I^{\prime}W^{\prime}}{IW} \\ k=\frac{8}{12}=\frac{2}{3} \end{gathered}[/tex]