A parking garage charges the following amount for cars parked in the garage: For the first hour that a car is parked in the garage, there is no charge. After the first hour, for the next two hours that a car is parked in the garage, there is a $5 charge. After the third hour, the garage charges $2 for each additional hour that the car is parked in the garage. If a car is parked in the garage for a fraction of an hour, the garage will charge that fraction of the additional hourly rate.

1. If a car is parked in the garage for 30 minutes, how much will the garage charge? Explain your answer.

2. If a car is parked in the garage for 2 hours and 30 minutes, how much will the garage charge? Explain your answer.

3. If a car is parked in the garage for 5 hours, how much will the garage charge? Explain your answer.

4. If a car is parked in the garage for 5 hours and 30 minutes, how much will the garage charge? Explain your answer.

ANY INCOMPLETE OR INAPPROPRIATE ANSWERS WILL BE REPORTED AND DELETED. POINTS WILL BE DEDUCTED.