Which number should replace both the asterisks in (* /18) x (*/162) = 1 ?  Choose the most appropriate option:
A) 27
B) 36
C) 54
D) 72
E) 90
Let (y/18) x (y/162) = 1   y^2 = 18 x 162 = 18 x 18 x 9   y = (18 x 3) = 54   The answer is 54.
<result>C</result>
Which number should replace both the asterisks in (* /18) x (*/162) = 1 ?