Question

A culture of bacteria living in a can doubles every minute. After 19 minutes the can is half- full. After how many minutes will the can be completely full?

Answer 1

Answer: after 19 more minutes.

Explanation:

The question is asking how may more minutes until full, wich means the it needs 19 to be half full, it will need 19 more minutes to make it fully full.

But if it wants to know the total amount of minutes needed for the whole can to be full from zero min, than its 38 min.