Question

What is the introduction of restaurant bill in Java?

Answer 1

To calculate the restaurant bill including sales tax and tip, multiply the total bill by the tax rate, add the sales tax to the total bill, and then add the desired tip amount to get the final amount payable at the register.

Step-by-step explanation:

Problem:

Jerod and his friends went to a Chinese restaurant and the total food bill came to $47.50. The restaurant charges 6% sales tax on the total bill. They also need to add the tip amount to the bill. If they are using a credit card, how much will they pay at the restaurant's register, including sales tax and tip?

Solution:

1. Calculate the sales tax by multiplying the total bill by the tax rate: $47.50 * 0.06 = $2.85.
2. Add the sales tax to the total bill: $47.50 + $2.85 = $50.35.
3. Add the desired tip amount to the total bill to get the final amount payable at the register.

For example, if they want to leave a 15% tip, multiply the total bill including sales tax by 0.15 and add it to the total bill: $50.35 * 0.15 = $7.55. The final amount payable would be $50.35 + $7.55 = $57.90.