A man is 24 years older than his son.In two years,his age will be twice the age of his son.The present age of the son is:
Choose the correct choice from the following choices:
A) 22  B) 28  C) 32  D) 48  E) 92

Rationale: "let the son ' s present age be x years . then , man ' s present age = ( x + 24 ) years . ( x + 24 ) + 2 = 2 ( x + 2 ) x + 26 = 2 x + 4 = > x = 22 . answer is a ."
Answer: A