Question

Each hour, the number of bacteria in Dr. Nall’s petri dish tripled. What percent is the population compared to the population the hour before?

Answer 1

Answer:

the answer is 300%

Step-by-step explanation:

Let the number of bacteria in Dr Nall's petri dish = x

After one hour number of bacteria in the petri dish = 3x

So the percentage of the population compared to the population the hour before will be

=  $\frac {population after 1 hour}{population before 1 hour}$ *100

=  $\frac {3x}{x}$ * 100

= 300%

Answer 2

Answer:

300

Step-by-step explanation:

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