These equations represent different possibilities for a waiter earning $11.25 for waiting on one table for one hour. The constant is the hourly rate and the coefficient represents the fraction of the bill, b, the customers left as a tip. Which equation correctly represents the hourly rate and tip for a bill of $30.00?
A. 5.00 + One-sixthb = 11.25
B. 5.25 +One-thirdb = 11.25
C. 5.25 + One-fifthb = 11.25
D. 6.00 + One-eighthb = 11.25
Which one is right?