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A culture started with 6000 bacteria. After 2 hours, it grew to 7,800 bacteria. Predict how many bacteria will be present after 15 hours. Round your answer to the nearest whole number.

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  1. 5 May, 16:59
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    7,800 - 6000 = 1800 in 2 hours Would be 900 in 1 hour

    900x 15 = 13,500
  2. 5 May, 17:07
    0
    6000 bacteria - 7,800 bacteria=1800

    in 2 hours 1800

    15/2 = 7.5

    7.5*1800 = 13500+6000 = 19500
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