karlaperez1470 karlaperez1470

02-05-2018
Mathematics

contestada

A bacteria culture starts with 150 bacteria and after 4 hours the population consists of 250 bacteria.what is the rate of the increase to the nearest percent?
a.11%
b.13%
c.15%
d.17%

Respuesta :

popalabdulqayou popalabdulqayou

02-05-2018

B is correct:

A = Pe^(rt)

250=150e^(4t)

250/150=e^(4t)

In(250/150)=4t

t=In(250/150)/4=.1277or .13*100%=13%

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