Answer:
See below.
Explanation:
More information is needed to complete the tables. But you would add each price of each item to the table. Add all the prices together for the Sub Total. Then since they receive 10% multiply the sub total by 0.10. Subtract this value from the sub total. This is the new total. Complete a similar processes for the rest of the table.
1. To calculate tip in #1, multiply 42.50 by 0.15. This is equal to 6.38.
2. To calculate the total with the tip, multiply 0.20 by 62.00. This is equal to 12.40. Add this to the total and together they pay 74.40.