1. MR. CRONE WEEK 3 REVIEW

2. What is 8 percent of 80?

3. .08 * 80 = 6.4

4. 8 is 8% of what number?

5. 8 = x * 0.08 8/ 0.08 = x = 100

6. What is the 0.125 written as a fraction in simplest form?

7. 125/1000 = 1/ 8

8. George is 33.33% richer than Pete. How much poorer is Pete than George?

9. 25%

10. If there are g girls and b boys in a school population, what fraction represents the percent of boys in the school population? A)g / (b + g) B)b/ (g + b) C)(b+g) / b D)b / g E)g / b

11. If there are g girls and b boys in a school population, what fraction represents the percent of boys in the school population? A)g / (b + g) B)b/ (g + b) Correct Answer C)(b+g) / b D)b / g E)g / b

12. The cost of college tuition has risen from 10,000 a year to 14,000 a year. What is the percent increase?

13. 4000/10000 = 40%

14. The cost of a stereo is $300. If the stereo is marked down by 25%, and then marked down another 10%, what is the final cost of the stereo?

15. (300 * 0.75) * 0.9 = $202.5

16. The proportion y:7 = 5:3 is the same as which of the following? A)y:3 = 5:7 B)y:3 = 7:5 C)5:y = 3:7 D)5:y = 7:3 E)7:y = 5:3

17. The proportion y:7 = 5:3 is the same as which of the following? A)y:3 = 5:7 B)y:3 = 7:5 C)5:y = 3:7 CORRECT ANSWER D)5:y = 7:3 E)7:y = 5:3

18. If it takes ½ hour to wash a car, how many days will it take to wash 96 cars?

19. 96. * 0.5 = 48 hours = 2 days

20. Is this an example of a proportion or a ratio? 5:7

21. Is this an example of a proportion or a ratio? 5:7 RATIO

22. Shampoo is on sale. The sign reads, “Buy one, buy the second at half price.” What is the total discount (in percent form) on the purchase of two bottles of shampoo?

23. 25%

24. What is 5.5% written as a fraction? A)55/1000 B)55/100 C)55/10 D)11/2 E)5/2

25. What is 5.5% written as a fraction? A)55/1000 CORRECT ANSWER B)55/100 C)55/10 D)11/2 E)5/2

26. If Keith drove 259 miles of a 500-mile trip and his wife drove the rest of the way, what percent of the trip did his wife drive?

27. 48.2%

28. How many tenths of a mile are there in 28.8 miles? A)0.1 B)0.8 C)8 D)28.8 E)288

29. How many tenths of a mile are there in 28.8 miles? A)0.1 B)0.8 C)8 D)28.8 E)288 CORRECT ANSWER