Which number should replace both the asterisks in (* /18) x (*/72) = 1 ?  Choose the correct choice:
A) 24  B) 30  C) 36  D) 42  E) 48
Let (y/18) x (y/72) = 1   y^2 = 18 x 72 = 18 x 18 x 4   y = (18 x 2) = 36   The answer is 36.
<result>C</result>
Which number should replace both the asterisks in (* /18) x (*/72) = 1 ?