For all real numbers v, an operation is defined by the equation v* = v - v/3. If (v*)* = 16, then v=	Choose the correct choice
A) 30	B) 33	C) 36	D) 39	E) 42

Rationale: "( v * ) * = ( v - v / 3 ) - ( v - v / 3 ) / 3 16 = 2 v / 3 - 2 v / 9 = 4 v / 9 v = 36 the answer is c ."
Answer: C