Mike works at Cheesecake King. He earns $11 per hour as a busboy.
The waiters he helps give him 25% of their tips
a. If Mike worked 6 hours today, how much did he earn, without tips?
b. The waiters Mike assisted waited on 16 tables, and the total bill from all these tables was $1,188. The waiters earned 15% in tips, and gave 25% of these earnings to Mike, How much did mike make in tips?
c. What was Mike's total salary for the day?
d. What were Mike's average earnings per hour, including tips?
Round to the nearest cent.