So, what I did was multiply 33*6 and got 198 and then 228-198 to find out that the initial fee was 30 dollars. then multiply 33*9+30 to get a 9 month total cost of $327. Hope from here you are able to set up your equation now you have all the information needed :)
Explanation: So basically it’s saying to “add 3 and 5” together, which is why they are in parentheses. THEN multiply 7 which implies that afterwards you multiply it by 7.