Practice 2.4 – Percents
Name _________________________________
Express each percent as a decimal.
1. 83%
2. 63.4%
3. 2.15%
4. 360%
5. 8%
6. 4 %
7. 0.45
8. 0.12
9. 0.003
10. 5.38
11. 2
12. 0.07
1
Express each decimal as a percent.
Write an equation with a variable, then solve. Write your answer as a complete sentence.
13. What is 8% of 300?
14. 9 is 40% of what number?
15. 32% of what number is 51.2?
16. 18 is what percent of 90?
17. What percent of 125 is 30?
18. What number is 200% of 60?
19. A charity has raised $225,000, with a goal of raising $500,000. What percent of the goal has been raised?
20. A book normally sells for $16.50 and is on sale at 40% off. What is the sale price of the book?
21. The bill for a meal at a restaurant comes to $30.00. If you leave a tip of $6.00, what percent is the tip? 22. Of the 550,000 alternative fuel vehicles produced in the United States in 2004, 150,000 were E85 flexible fuel vehicles. What percent of alternative fuel vehicles used E85? What percent used other alternative fuels?
23. The area of Arizona is 19% of the area of Alaska. The area of Alaska is 586,400 square miles. What is the area of Arizona?
24. After a 30% reduction, you purchase a DVD player for $98. What was the price before the reduction?