Section PF.1 – Practice Problems

1. Write each as a percent:

a. [latex]\frac{3}{4}[/latex]

b. [latex]\frac{4}{5}[/latex]

c. [latex]\frac{7}{10}[/latex]

2. The fraction [latex]\frac{5}{7}[/latex] is equivalent to what percent? Round your answer to the nearest tenth of a percent.

3. The fraction [latex]\frac{7}{9}[/latex] is equivalent to what percent? Round your answer to the nearest tenth of a percent.

4. The fraction [latex]\frac{2}{11}[/latex] is equivalent to what percent? Round your answer to the nearest tenth of a percent.

5. Write each decimal as a percent:

a. 0.23
b. 0.215
c. 1.09

6. Write each percent as a decimal:

a. 15%
b. 4%
c. 7.5%

7. 20% is equivalent to what simplified fraction?

8. 86% is equivalent to what simplified fraction?

9. 58% is equivalent to what simplified fraction?

10. What number is 70% of 40?

11. What number is 45% of 155?

12. 105 is what percent of 225? Round your answer to 2 decimal places.

13. 170 is what percent of 245? Round your answer to 2 decimal places.

14. 18 is 30% of what number?

15. 130 is 65% of what number?

16. Valerie paid $170.00 for an item that was originally priced at $550.00. What percent of the original price did Valerie pay? Round your answer to the nearest tenth of a percent.

17. Trader Joe’s sold 8,132 bags of tortilla chips last month. If 7,687 of these bags were fat free, find the percent that were fat free. Round your answer to the nearest tenth of a percent.

18. 76% of the questions on a student’s test were correct. There were 50 questions. How many of the questions were correct?

19. At a restaurant, the bill comes to $35.00. If you decide to leave a 15% tip, how much is the tip? Round your answer to the nearest cent.

20. What is the sales tax on a suit priced at $295.00 if the sales tax rate is 7%?

21. What is the sales tax on a suit priced at $1266.00 if the sales tax rate is 6%?

22. The sales tax on a television priced at $689.00 is $55.12. What percent is the sales tax rate?

23. A $300.00 designer purse is on sale at an outlet mall. The discounted price of the purse is $120.00. What percent is the purse being discounted by?

24. A lender requires a minimum down payment of 16% of the value of the home. You have $39,000.00 cash available to use as a down payment toward a home. Determine the maximum home value that you can finance.

25. Many manufacturers reduce the size of their products to appear to reduce their prices. The amount of cereal in a particular brand box was reduced by 6.9 ounces. This is a 15% reduction from the original amount. What was the original amount?