Question

Which number can replace the variable to make these fractions equivalent?

n/9=56/63



A.
2


B.
7


C.
8


D.
9

Answer 1

`(n)/(9)=(56)/(63)\\ (n)/(9)=(8)/(9)\\ n=8`

Answer 2

`(n)/(9)=(56)/(63) \\\\ n=(9*56)/(63) \\\\ n=(56)/(7) \\\\ \boxed{n=8}\to the \ variant \ C`