Question

A specific type of bacteria reproduces through binary fission every two hours. If there are seven bacteria to begin with, how many bacteria will there be after four hours?

Answer 1

Answer:

Every 20 minutes a new bacteria is born so in 1 hour there are totally 3 bacterias are born

So therefore in 4 hours there will be 12 bacterias born in total

Because 3*4=12

Hope it helps