The total number of credit hours that remain for a student to earn a degree after s semesters have been completed successfully is given by 130 - 15s. Which statement is correct?
A.
The remaining credit hours increase by 130 for each semester completed.

B.
The remaining credit hours decrease by 15 for each semester completed.

C.
The remaining credit hours increase by 15 for each semester completed.

D.
The remaining credit hours decrease by 130 for each semester completed.