A certain bacterial culture is multiplying in a culture dish, doubling in size every 6 minutes. It takes exactly an hour to fill
the whole dish. How long does it take to fill half the dish?
a. 54 minutes
b. 48 minutes
c. 30 minutes
d. 36 minutes
1 answer:
1 hours to fill the dish
for 1/2 of the dish
think
1/2 times 2=2/2=1 so therefor it takes 1 less doubling so
60 mins
1 less double
(double is 6 mins so )
60-6=54
the answe ris 54 mins or a
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