GAUSS8 2006 Problem 11

The sound of thunder travels away from a lightning flash at 331\:m/s. Joe sees a lightning flash, and then hears the thunder 12 seconds later. To the nearest tenth of a kilometre, how far away is Joe from the lightning flash?

Answer Choices
A. 3
B. 3.5
C. 4.0
D. 4.50
E. 5