The sum of the numbers is 660. If the first number be twice the second and third number be one-third of the first, then the second number is:	Choices
A) 48  B) 54  C) 72  D) 84  E) 180

Rationale: "let the second number be x . then , first number = 2 x and third number = 2 x / 3 . 2 x + x + 2 x / 3 = 660 11 x / 3 = 660 x = 180 answer : e"
Answer: E