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## Restaurant Bills - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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### Complexity=20

Find the total costs asked for.

 1 You buy \$16 worth of food at a restaurant. The sales tax is 5.75% and you wish to tip 10%. What is the bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax? Bill after tax: Tip owed: Total bill: 2 You buy \$18 worth of food at a restaurant. The sales tax is 5.75% and you wish to tip 15%. What is the bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax? Bill after tax: Tip owed: Total bill:

### Complexity=30

Find the total costs asked for.

 1 You buy \$12 worth of food at a restaurant. The sales tax is 9% and you wish to tip 10%. What is the bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax? Bill after tax: Tip owed: Total bill: 2 You buy \$8 worth of food at a restaurant. The sales tax is 9.75% and you wish to tip 15%. What is the bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax? Bill after tax: Tip owed: Total bill:

### Complexity=40

Find the total costs asked for.

 1 You buy \$16 worth of food at a restaurant. The sales tax is 9.75% and you wish to tip 15%. What is the bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax? Bill after tax: Tip owed: Total bill: 2 You buy \$17 worth of food at a restaurant. The sales tax is 6% and you wish to tip 15%. What is the bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax? Bill after tax: Tip owed: Total bill:

### Complexity=20

Find the total costs asked for.

1You buy \$16 worth of food at a restaurant. The sales tax is 5.75% and you wish to tip 10%. What is the
bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax?
Bill after tax:
Tip owed:
Total bill:
Solution
Sales tax on food = total cost of food × sales tax = \$16 × 5.75% = \$0.92.
Bill after tax = total cost of food + sales tax on food = \$16 + \$0.92 = \$16.92
Tip owed = total cost of food × (tip)% = \$16 × 10% = \$16 × 0.1 = \$1.60.

Total bill = bill after tax + tip owed = \$16.92 + \$1.60 = \$18.52.
2You buy \$18 worth of food at a restaurant. The sales tax is 5.75% and you wish to tip 15%. What is the
bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax?
Bill after tax:
Tip owed:
Total bill:
Solution
Sales tax on food = total cost of food × sales tax = \$18 × 5.75% = \$1.04.
Bill after tax = total cost of food + sales tax on food = \$18 + \$1.04 = \$19.04
Tip owed = total cost of food × (tip)% = \$18 × 15% = \$18 × 0.15 = \$2.70.

Total bill = bill after tax + tip owed = \$19.04 + \$2.70 = \$21.74.

### Complexity=30

Find the total costs asked for.

1You buy \$12 worth of food at a restaurant. The sales tax is 9% and you wish to tip 10%. What is the
bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax?
Bill after tax:
Tip owed:
Total bill:
Solution
Sales tax on food = total cost of food × sales tax = \$12 × 9% = \$1.08.
Bill after tax = total cost of food + sales tax on food = \$12 + \$1.08 = \$13.08
Tip owed = total cost of food × (tip)% = \$12 × 10% = \$12 × 0.1 = \$1.20.

Total bill = bill after tax + tip owed = \$13.08 + \$1.20 = \$14.28.
2You buy \$8 worth of food at a restaurant. The sales tax is 9.75% and you wish to tip 15%. What is the
bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax?
Bill after tax:
Tip owed:
Total bill:
Solution
Sales tax on food = total cost of food × sales tax = \$8 × 9.75% = \$0.78.
Bill after tax = total cost of food + sales tax on food = \$8 + \$0.78 = \$8.78
Tip owed = total cost of food × (tip)% = \$8 × 15% = \$8 × 0.15 = \$1.20.

Total bill = bill after tax + tip owed = \$8.78 + \$1.20 = \$9.98.

### Complexity=40

Find the total costs asked for.

1You buy \$16 worth of food at a restaurant. The sales tax is 9.75% and you wish to tip 15%. What is the
bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax?
Bill after tax:
Tip owed:
Total bill:
Solution
Sales tax on food = total cost of food × sales tax = \$16 × 9.75% = \$1.56.
Bill after tax = total cost of food + sales tax on food = \$16 + \$1.56 = \$17.56
Tip owed = total cost of food × (tip)% = \$16 × 15% = \$16 × 0.15 = \$2.40.

Total bill = bill after tax + tip owed = \$17.56 + \$2.40 = \$19.96.
2You buy \$17 worth of food at a restaurant. The sales tax is 6% and you wish to tip 15%. What is the
bill after tax, how much tip should you leave, and what is the total cost of everything after tip and tax?
Bill after tax:
Tip owed:
Total bill:
Solution
Sales tax on food = total cost of food × sales tax = \$17 × 6% = \$1.02.
Bill after tax = total cost of food + sales tax on food = \$17 + \$1.02 = \$18.02
Tip owed = total cost of food × (tip)% = \$17 × 15% = \$17 × 0.15 = \$2.55.

Total bill = bill after tax + tip owed = \$18.02 + \$2.55 = \$20.57.   