SOLUTION: 2. A bacteria culture doubles every 20 minutes. At time 5/3 hours an estimate of 80000 is taken. What was the initial size of the culture?
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Question 314579: 2. A bacteria culture doubles every 20 minutes. At time 5/3 hours an estimate of 80000 is taken. What was the initial size of the culture?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
20 minutes is the same thing as
hour. So at time
hour, the bacteria has doubled 5 times. Doubling 5 times is the same thing as multiplying by
. Divide the ending amount by 32.
John

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