The answer is 29, because i did long division on a paper i can not show the work.
The answer is A because c is the amount of cookies and she ate three. You divide it by two because she only gave HALF of it away.
Edit: 33% is not

, therefore my solution is wrong. The correct answer is 0.33 x 496, which is $163.68
The following is the original solution, which is incorrect.
33% =

. Multiply the bonus of $496 by

to get the solution of

, or 165 and

Therefore the solution is $165.33
2 degrees drop every hour, so 6 * 2 = 12
So, it would drop by 12 degrees after 6 hours.
One solution: (0,-8) is the answer