Question

9 /11 = /22 A. 9 B. 12 C. 18

Answer 1

The answer is C) 18.

Answer 2

For this case we have the following equation:

x: Represents the unknown value

$\frac {9} {11} = \frac {x} {22}$

We clear the variable "x":

We multiply by 22 on both sides:

$x = \frac {9 * 22} {11}\\x = \frac {198} {11}\\x = 18$

Thus, the unknown value is 18.

Answer:

Option C