Answer:
45158
Step-by-step explanation:
Since the colony grows at a rate of 12%, after 2 years there will be
bacteria. Since you probably can't have part of a bacteria, you round to 45158.
My answer is isn't on the choices and I can't show you how I got it. My answer is in the attached files.
The answer order is
Bill
Tip
Because there are 4 friends. They each pay 1/4 of the bill.
And they each tip 2 dollars