SOLUTION: The bacteria in a certain culture Double every 7.5 hours. The culture has 6000 bacteria at the start. How many bacteria will the culture contain after 3hours

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Question 1081110: The bacteria in a certain culture Double every 7.5 hours. The culture has 6000 bacteria at the start. How many bacteria will the culture contain after 3hours
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
y=p%2Ae%5E%28kt%29

2=1%2Ae%5E%28k%2A7.5%29
ln%282%29=ln%281%29%2B7.5k
7.5k=ln%282%29
k=ln%282%29%2F7.5
k=0.0924

y=6000%2Ae%5E%280.924t%29
Find y when t=3.

y=7920