Jayden is driving to a concert and needs to pay for parking. There is an automatic fee of $9 just to enter the parking lot, and when he leaves the lot, he will have to pay an
additional $3 for every hour he had his car in the lot. How much total money would
Jayden have to pay for parking if he left his car in the lot for 4 hours? How much
would Jayden have to pay if he left his car in the lot for t hours?