SOLUTION: A culture of yeast doubles in size every 20 minutes. The size of the culture is now N0. Find its size in 12 hours.

Question 149927: A culture of yeast doubles in size every 20 minutes. The size of the culture is now N0. Find its size in 12 hours.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A culture of yeast doubles in size every 20 minutes. The size of the culture is now No. Find its size in 12 hours.
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Let t be number of hours.
A(t) = No*(2)^(60t/20)
A(t) = No*2^(3t)
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A(12) = No*2^(36)
A(12) = 6.8719...x 10^10 No
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Cheers,
Stan H.

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