Answer
The constant of variation is $0.18$.
The inverse variation equation is $y=\frac{0.18}{x}$.
Work Step by Step
$y=\frac{k}{x}$
$y=0.6; x=0.3$
$0.6=\frac{k}{(0.3)}$
$0.6\times0.3=k$
$0.18=k$
The constant of variation is $0.18$.
The inverse variation equation is $y=\frac{0.18}{x}$.