Dan's age after 16 years will be 4 times his age 8 years ago. What is the present age of Dan?  Choose the correct choice from the following
A) 12  B) 16  C) 20  D) 24  E) 28

Rationale: let dan ' s present age be x . x + 16 = 4 ( x - 8 ) 3 x = 48 x = 16 the answer is b .
Answer: B