Respuesta :

We know that

1000 g= 1 kg

[tex]4\frac{1}{2}kg=\frac{9}{2}\text{ kg}[/tex]

Therefore,

[tex]\begin{gathered} 1000g\colon4\frac{1}{2}kg=1\colon\frac{9}{2} \\ =2\colon9 \end{gathered}[/tex]

Hence, the ratio is 2:9.