Question

a culture started with 2000 bacteria. after 4 hours it grew to 2200. predict how many bacteria will be present after 9 hours. round your answer to the nearest whole number

Answer 1

2478

credit doesn't belong to me but here

Answer 2

First you will divide;
200÷4=50
Then you multiply;
50×9=450
Last you add;
2000+450=2450