A bacterial colony starts growing in a jar at 11:00 am. the size of the colony doubles every minute, and the jar is just full at 12:00 noon. how many minutes past 11:00 am was the jar 1/4 full?

Question

Mathematics

Leach

24 February, 15:21

A bacterial colony starts growing in a jar at 11:00 am. the size of the colony doubles every minute, and the jar is just full at 12:00 noon. how many minutes past 11:00 am was the jar 1/4 full?

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Cheyanne Holmes · Answer 1

Given size of colony doubles every minute, that means at any time, size of colony a minute ago is half of the current size.

If the jar was full at 12:00, then at 11:59, it was half full, and at 11:58, it was 1/4 full.