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 + 1/6b = 11.25 b) 5.25 + 1/3b = 11.25 c) 5.25 + 1/5b = 11.25 d) 6.00 + 1/8b = 11.25