stacygrattsp5lpj5 stacygrattsp5lpj5

14-03-2018
Mathematics

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A certain strand of bacteria triples every hour. At 1:00 pm there were 5 bacteria. Determine how many bacteria there would be at 5:00 pm on the same day?

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14-03-2018

20 bacteria I believe.

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Maddie0829 Maddie0829

14-03-2018

1pm- 5 bacteria
2pm- 5x3= 15 bacteria
3pm- 15x3= 45 bacteria
4pm- 45x3= 135 bacteria
5pm- 135x3= 405 bacteria

The correct answer would be there's 405 bacteria at 5 o'clock pm

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