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Name: ________________________ Class: ___________________ Date: __________ ID: A Unit III....................................................Section 7.1-7.4.......................................................Review 2 1. (2 points) Which list shows the numbers in order from least to greatest? 6. (2 points) A concert ticket is designed so that the stub is a different color from the part the attendant takes. 5 8 , , 92.5% 6 9 8 5 b. , 0.8437, 85.6%, , 92.5% 9 6 5 8 c. , 0.8437, 85.6%, , 92.5% 6 9 8 5 d. 92.5% , , 85.6%, 0.8437, 9 6 2. (2 points) Alissa's softball team won 80% of the 25 games they played. What was the team's win-loss record? a. a. b. c. d. 0.8437, 85.6%, About what percent of the ticket is blue? a. b. c. d. 18 wins, 7 losses 20 wins, 5 losses 16 wins, 9 losses 22 wins, 3 losses Write the percent as a decimal. 7. (2 points) 49.7% Use a proportion to answer the question. a. 49.7 b. 0.0497 c. 4.97 d. 0.497 8. (2 points) During the hockey season, Pete scored goals on 15% of the shots he took. If he scored 75 goals, how many shots did he take? 3. (2 points) write 3/11 as a percent. a. b. 33% 30% 3 c. 27 % 10 3 d. 27 % 11 4. (2 points) 18 is 60% of what number? a. c. 1080 3 1/3 b. d. a. b. c. d. 0.3 30 b. c. d. 113 1125 50 500 Find the percent of the number. 5. (2 points) What percent of 380 is 76? a. 20% 90% 30% 70% 9. (2 points) 25% of 36 1 12 % 2 20% 15% 500% a. b. c. d. 1 9 10 1 0.9 Name: ________________________ ID: A 15. (10 points) 5.6 10. (3 points) A golf group planned a trip to Hawaii and 26 of the members signed up to go. If this is 20% of the total membership, how many members are in the golf group? Find the circumference of the 22 circle. Use for π . 7 Use the circle graph that shows the results of a survey asking 450 people their favorite place to vacation. 16. (1 point) a. b. c. d. 11. (3 points) How many more people chose the beach than the park? 265 cm 528 cm 132 cm 264 cm Find the area of the circle. Use 3.14 for π . 17. (1 point) 12. (1 point) How many people chose either the park or a historic site? 13. (10 points) Consider the trapezoid shown Shade the rectangle. a. Find the area of the rectangle within the trapezoid. b. Find the area of the trapezoid. c. What percent of the trapezoid is shaded? a. b. c. d. 379.94 m2 1519.76 m2 94.99 m2 69.08 m2 Find the radius and the diameter of the circle with the given area. Use 3.14 for π . 18. (1 point) A = 379.94 m2 Write the decimal as a percent. 14. (3 points) 2.3 2 Name: ________________________ ID: A 19. (1 point) A square wheat field is watered by a center pivot irrigation system with a 48-foot radius. Find the area of the field that will not be irrigated. Use 3.14 for π . Find the value of x. 24. (1 point) x+6 x% = 200 Use a number line to order the numbers from least to greatest. 25. (1 point) 0.16, 22%, 2 1 , 18%, 0.2, 9 4 Evaluate the expression when t = 30. 26. (1 point) (t − 12)% of 4 a. 2002.6 ft 2 b. 685.4 ft 2 c. 1981.4 ft 2 d. 2304.0 ft 2 20. (1 point) Suppose a garden plot contains 2 zinnias, 9 gladiolas, 10 marigolds, 16 hollyhocks, and 18 lilies. If you were to make a circle graph of the flowers in the plot, what angles (to the nearest degree) should be assigned to each flower? Use a proportion or the percent equation to answer the question. 27. (1 point) What number is 128% of 30? 28. (1 point) The double bar graph shows the production costs and gross income (in thousands of dollars) for a company. Which of the following gives the best approximation of the percent of gross income that goes to production costs for each year? A computer randomly generates an integer from 1 to 16. Find the probability of the given event. Write your answer as a percent. 21. (1 point) P(factor of 16) Write the percent as a fraction in simplest form, or write the fraction as a percent. 22. (1 point) 0.35% Find the percent of the number. 23. (1 point) 195% of 24 a. b. c. d. 3 1998 ≈ 1998 ≈ 1998 ≈ 1998 ≈ 40% 50% 35% 70% 1999 ≈ 1999 ≈ 1999 ≈ 1999 ≈ 70% 80% 45% 60% 2000 ≈ 2000 ≈ 2000 ≈ 2000 ≈ 30% 40% 30% 60% Name: ________________________ ID: A 29. (1 point) During the soccer season, Diane scored goals on 23% of the shots she took. If she scored 92 goals, how many shots did she take? a. 400 shots b. 212 shots c. 40 shots d. 2116 shots 30. (1 point) A survey was taken to determine the favorite subjects of 8th graders. The results are represented by the graph. About what percent of students chose P.E. as their favorite subject? a. b. c. d. 16% 14% 30% 44% 4 ID: A Unit III....................................................Section 7.1-7.4.......................................................Review 2 Answer Section 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. C B D D B D D D A 130 54 people 180 people a. 216cm2 b. 258 cm2 31 c. 83 % is Shaded 43 230% 2 566 % 3 D A radius: 11 m, diameter: 22 m C 13° zinnias, 59° gladiolas, 65° marigolds, 105° hollyhocks, 118° lilies 1 31 % 4 7 2000 46.8 6 2 1 0.16, 18%, 0.2, 22%, , 9 4 0.72 38.4 B A B 1