<span>A) 3 - The third sock will match the first or second if they don't match each other.
B) 14 - It's highly unlikely yet possible to remove all brown socks first, the next two would have to be black.</span>
X=9
3x-12=x+6
2x-12=6
2x=18
X=9
This should give you all you need to know
2/3 of 33 is 22
so 22 +2 = 24
so 24x33=792
so the area is 792