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OpenStudy (anonymous):
a culture started with 5000 bacteria. after 2 hours, it grew to 6500 bacteria. Predict how many bacteria will be present after 18 hrs
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OpenStudy (anonymous):
13500
OpenStudy (anonymous):
18500
OpenStudy (anonymous):
sorry
OpenStudy (anonymous):
It grew by 1500. So 1500 / 2 = 750. And 750 * 18 = 13500.
OpenStudy (anonymous):
13,500 is your answer.
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OpenStudy (anonymous):
but then you have to add the original 5000
OpenStudy (anonymous):
53,061
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