Craig has a job waiting tables where he earns $3.15 per hour plus tips. Craig earned $79.48 in tips during his shift yesterday.


If x represents the number of hours Craig worked yesterday, which of the following equations can be used to find the amount of money Craig earned yesterday?

A

y = 3.15x + 79.48

B

y = 79.48x + 3.15

C

y = 79.48x - 3.15

D

y = 3.15x - 79.48