A man started driving at a constant speed, from the site of a blast, the moment he heard the blast. He heard a second blast after a time of 30 mins and 12 seconds. If the second blast occurred exactly 30 mins after the first, how many meters was he from the site when he heard the second blast? ( speed of sound = 330 m/s)
Choose the correct option.
A) 3120 B) 3330 C) 3540 D) 3750 E) 3960

Rationale: "the distance the sound traveled to the man is 12 * 330 = 3960 meters the answer is e ."
Answer: E