The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 8.3% per hour. how many hours does it take for the size of the sample to double? note: this

For this case we have a function of the form:
 
 Where,
 A: it is the initial amount of bacteria
 b: growth rate
 t: it's time
 By the time the bacteria are double we have that y = 2A
 Substituting values:
 
 From here, we clear t:
 
 
 it takes for the size of the sample to double about:
 

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