A culture started with 4,000 bacteria l. After 7 hours, it grew to 5,200 bacteria. Predict how many bacteria will be present after 9 hours.

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22-03-2018
Mathematics

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A culture started with 4,000 bacteria l. After 7 hours, it grew to 5,200 bacteria. Predict how many bacteria will be present after 9 hours.

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SamSamySamantha SamSamySamantha · Answer 1 · 2018-03-27T04:53:47+02:00

SamSamySamantha SamSamySamantha

27-03-2018

So it started with 4,000
7 hours later it grew from 4000 to 5200,
We are gonna divide 5200 by 7 to get the germs per hour that grow/grew
Then mulitiply it by 9 and your answer is:

6,685

Hope this helps!
@SamSamySamantha

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