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30 April, 12:56

A colony of 300,000 bacteria doubles in size every 35 minutes what will the population be 70 minutes from now?

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Answers (2)
  1. 30 April, 12:57
    0
    X=600000

    Step-by-step explanation:

    Let the unknown value for 70minutes be x

    So let's solve the given question

    300000 bacteria is double in every 35minutes

    So to solve we will have

    300000 bacteria=35minutes

    X bacteria=70 minutes

    So let's cross multiply

    35x=300000*70

    Let's make x the subject of formula by dividing both sides by 35

    X=300000*70/35

    X=300000*2

    X=600000

    Therefore the population in 70 minutes is 600000
  2. 30 April, 13:23
    0
    1,200,000

    Step-by-step explanation:

    300,000 x 4

    It doubles every 35 minutes so you multiply by 4
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