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21-12-2016
Mathematics

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A Petri dish contained 50 bacteria at 8:00am the number of bacteria triples each hour. After what time will there be at least 1,350 bacteria in the Petri dish?

A Petri dish contained 50 bacteria at 800am the number of bacteria triples each hour After what time will there be at least 1350 bacteria in the Petri dish class=

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21-12-2016

There will be at least 1,350 bacteria in the Petri dish in 3 hours, or at 11:00am.
8:00am: 50 bacteria
9:00am: 150 bacteria
10:00am: 450 bacteria
11:00am: 1350 bacteria

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