Which number should replace both the asterisks in (* /20) x (*/80) = 1 ? Choices:	A) 20	B) 40	C) 60	D) 80	E) 120
Let (y/20) x (y/80) = 1   y^2 = 20 x 80 = 20 x 20 x 4   y = (20 x 2) = 40   The answer is 40.
<result>B</result>
Which number should replace both the asterisks in (* /20) x (*/80) = 1 ?