the sum of 3 consecutive multiples of 3 is 117 . what is the largest number ?	Choose the correct choice from the following choices.
A) 45 B) 48 C) 51 D) 42 E) 54

Rationale: let the numbers be 3 x , 3 x + 3 and 3 x + 6 . then , 3 x + ( 3 x + 3 ) + ( 3 x + 6 ) = 117 9 x = 108 x = 12 largest number = 3 x + 6 = 42 answer : d
Answer: D