Bacteria doubling on a clock

A bacteria population doubles every 1010 minutes. At t=55t = 55 minutes there are 200200 bacteria. How many are there at t=95t = 95 minutes?

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  1. How many 1010-minute doublings between t=55t=55 and t=95t=95?
  2. 4040 min =4=4 doublings: 20024200\cdot2^4.

Answer

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3200

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Asked at: IMC, Akuna Capital

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