1. Unit 6 Review

2. Express as a percent... 0.06

3. 6%

4. Express as a percent... 5.49

5. 549%

6. Express as a decimal… 2.25%

7. 0.0225

8. Express as a percent... 23 25

9. 23 = x 25 100 92%

10. Solve using the percent equation… 35 is what percent of 50?

11. 35 = (n) 50 50 n =.7 Final answer…70%

12. Brittney spent $300 dollars on eight new sweaters. How much did she spend per sweater?

13. $37.50

14. If you wanted to earn $200 in interest over 5 years with an interest rate of 4%, how much money would you have to invest? I = prt

15. 200 = p (.04) (5) 200 = p (.2).2.2 p = $1,000

16. Tracy used to jog 16 miles per week. Now she only has time to jog 6 miles per week. What is the percent of change?

17. -62.5%

18. If the length of the side of a square is increased from 4 to 8, which of the following statements is true? A. Both the area and perimeter are doubled B. Both the area and perimeter are quadrupled C. The perimeter is doubled and the area is quadrupled. D. The perimeter is quadrupled and the area is doubled.

19. C

20. 2.5 units 7.5 units Area = 30 units 2 Rectangle I Rectangle II The two rectangles below are similar… What is the area of Rectangle II?

21. 270 units 2

22. The scale on a map is ¼ inch = 100 miles. The distance on a map from Dallas, TX to New York City is 5 inches. How far is the actual distance?

23. Map.25 = 5 Actual 100 X 2,000 miles

24. Find the scale factor for 6 inches = 5 feet. Scale factor must be in the same units!

25. 6 inches 60 inches 1 : 10

26. A model of an airplane is 10 inches in length. The actual length of the airplane is 150 feet. What is the scale used to build the model? 1 inch = ? feet

27. Scale: 1 inch = 15 feet

28. Jared can eat 11 gummy bears in 6 minutes. How many can he eat in 3 hours?

29. Word ratio: gummy bears minutes 11 = x 6 180 330 gummy bears

30. Sharon earns a salary of $425 per week plus an additional 5% commission on her sales. How much will she earn this week if her sales are $3,500?

31. $3,500 x.05 = $175 $425 + $175 = $600

32. Timmy made a scale drawing of a room. The drawing has a length of 4 inches and a width of 3 inches. The actual room has a width of 72 feet. What is the length, in feet, of the actual room?

33. Word Ratio drawingactual length 4 x width372 96 feet