Answer:
Step-by-step explanation:
k=3
If there is a 5% drop every month, then the class becomes 1-5%=1-0.05=0.95 times the previous size.
The formula for

months would be

so for 12 months it would be
3,500 that is the answer to this question because u multiply 7 times 500 and get 3,500
3,000 * 7
600 * 7
40 * 7
9 *7
now add the answers to all of them together to get your answer.