Answer:
x=12
Step-by-step explanation:
We can use cross products to solve
6 x
------ = ---------
18 36
6* 36 = 18x
Divide each side by 18
6*36/18 = 18x/18
6*2 = x
12 =x
if it is set up
[tex] \frac{6}{18} = \frac{x}{36} \\ x = 12[/tex]