A Traffic Accident Was Witnessed By $\frac { 1 } { 12 }$

Multiple Choice

A traffic accident was witnessed by $\frac { 1 } { 12 }$ of the residents of a small town. The number of residents who had heard about the accident t hours later is given by a function of the form $\frac { B } { 1 + C e ^ { - k t } }$ , where B is the population of the town. If $\frac { 1 } { 6 }$ of the residents had heard about the accident after 1 hours, how long did it take for $\frac { 1 } { 3 }$ of the residents to hear the news? Round your answer to two decimal places.

A) 2.16 hours
B) 1.08 hours
C) 4.32 hours
D) 0.54 hour