✔x Ms. Hwang's biology class is observing
the growth of bacteria. They start with
30 bacteria and the amount of bacteria
doubles every day.
PART A
Which of the following equations can Ms.
Hwang use to determine how many days it
will take for there to be 480 bacteria?
X
X
X
■x
A 480 = 30 + 2t
B
C
30 = 480(2)t
480 = 2(30)
D 480
=
30(2)