Question

A rare bacterial culture is being grown in a lab. As time passes, the cells multiply in a specific pattern.

After 1 day, there is only 1 cell.
After 2 days, there are 8 cells.
After 3 days, there are 18 cells.
After 4 days, there are 31 cells.

How many cells will there be after seven days?

Answer 1

help me pleaseO>O

Answer 2

Well, from day 1 to day two, there is a difference of 7
from day 2 to day 3, there's a difference of 10
from day 3 to day 4 there's a difference of 13.
What does this suggest about the following days?
What pattern does this increase take? Obviously, it's adding right? But by how much?

Answer 3

By 3!=D

Answer 4

oh wait so is the answer 88?

Answer 5

Yep, by 3.