Problema Solution
At 12:43 pm there is one cell in a petri dish. 43 minutes later, the petri dish is half full. What time will it be for the petri dish to be full?
Answer provided by our tutors
The bacteria double every minute .. so in 1 minute's time, half-full becomes full.
This means that after 44 minutes the petri dish is full or 44 min after 12:43, that is: 01:27 pm.