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22 April, 03:05

If the number of bacteria in a colony doubles every 42 minutes and there is currently a population of 20 bacteria, what will the population be 84 minutes from now?

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  1. 22 April, 04:38
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    A population of 40 bacteria.

    Step-by-step explanation:

    42x = 84

    84 divided by 42 is 2

    42x2=84

    so you would multiply 20x2 to get your answer (40)
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