Find the average weekly earnings. hours worked each week: 20; hourly rate: $3.25; weekly tips: $115.75, $94.80, $73.15, $62.50

If you work 20h a week and an hour payed is 3.25 then each week you will earn 65 dollars.

Tips earn all together are 346.2

All together with the weekly tips and weekly pay check you will have 411.2 a week

This will be 1644.8 a month.

And 19737.6 a year