Solve the problem.
-The bacteria in a 8-liter container double every 3 minutes. After 57 minutes the container is full. How long did it take to fill a quarter of the container?
A) 51 min
B) 42.8 min
C) 28.5 min
D) 14.3 min

Question

Quizplus · Accepted Answer

Since the bacteria double every 3 minutes, and it takes 57 minutes to fill the container, it would be half full 3 minutes before that, at 54 minutes. To fill a quarter of the container, it would be half of half full, which is another 3 minutes earlier, making it 51 minutes.

Solve the Problem. -The Bacteria in a 8-Liter Container Double Every 3 Minutes