Beach Day by Rodger Bliss
May 2020
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Bacteria? Yuk!

A Petri dish hosts a healthy colony of bacteria. Once a minute every bacterium divides into two. The colony was founded by a single cell at noon. At exactly 12:43 (43 minutes later) the Petri dish was half full.
At what time will the dish be full?

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6 guesses to Bacteria? Yuk!