Answer :

mariamikayla
[tex]\frac{n}{9}=\frac{56}{63} \\\\ n=\frac{9*56}{63} \\\\ n=\frac{56}{7} \\\\ \boxed{n=8}\to the \ variant \ C[/tex]
konrad509
[tex]\frac{n}{9}=\frac{56}{63}\\ \frac{n}{9}=\frac{8}{9}\\ n=8 [/tex]