You earn three dollars an hour as a waitress after working three hours you earn 12 five and seven dollars in tips how much money did you win in total

The waitress earned a total of 33 dollars

Step-by-step explanation:

Step 1: Determine total earnings from wages;

Total earnings from wages=Earnings per hour*number of hours worked

where;

Earnings per hour=3 dollars an hour

Number of hours worked=3 hours

replacing;

Total earnings from wages = (3*3) = 9 dollars

Step 2: Determine total earnings from tips

Total earnings from tips = (12+5+7) = 24 dollars

Step 3: Calculate total money earned

Total money earned=Total earnings from tips+total earnings from wages

where;

Total earnings from tips=24 dollars

Total earnings from wages=9 dollars

replacing;

Total money earned = (9+24) = 33 dollars

The waitress earned a total of 33 dollars