The sum of the numbers is 330. If the first number be twice the second and third number be one-third of the first, then the second number is:  Choose one
A) 48
B) 54
C) 72
D) 84
E) 90

Rationale: "let the second number be x . then , first number = 2 x and third number = 2 x / 3 . 2 x + x + 2 x / 3 = 330 11 x / 3 = 330 x = 90 answer : e"
Answer: E