Don’t take my word for it but I think 3rd option
Answer:

Step-by-step explanation:
Given



Required
Determine the number of brownies left
If:

and there are 28 students
Then:


To determine the number of brownies left, we have:


Reorder

Collect Like Terms


<em>Hence, there are 33 brownies left</em>
Answer:
Option 3 (C)
Step-by-step explanation:
It is the only one that changes the same amount every time ( times 2 )
22% = 22/100
22/100 * 14.50 = 3.19 (this is the amount discounted off original price)
14.50 - 3.19 = $11.31