If you just factor the original polynomial(The area) then you will find that one of the factors is c-2(the length) and the other will be the width.
When I factored it, I got 2c+3 as the width.
:)
Could u send me a bigger picture so I can help!
Answer:
The answer would be C $25,181.70
since i kinda forgot the proper way its just 10000 times 1.08 them do that 12 times