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Unit 9 Math Review:. 19. (6 + 2) * 4 = 32 20. (1 + 8) * (8 + 2) = 90 21. 1 + (8 * 8) + 2 = 67 22. 1,000 miles 23. 700 miles 24. 4 inches 25. 1 ½ inches 26. 5 27. 4 28. 40 29. 75 30. 25 31. 121.5 32. 0.66 33. 35.56 34. 7.04 35. 45.6 40.74 Extra credit: $24.50.
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Unit 9 Math Review: • 19. (6 + 2) * 4 = 32 • 20. (1 + 8) * (8 + 2) = 90 • 21. 1 + (8 * 8) + 2 = 67 • 22. 1,000 miles • 23. 700 miles • 24. 4 inches • 25. 1 ½ inches • 26. 5 • 27. 4 • 28. 40 • 29. 75 • 30. 25 • 31. 121.5 • 32. 0.66 • 33. 35.56 • 34. 7.04 • 35. 45.6 • 40.74 • Extra credit: $24.50 • 4/5 • 2. 11/12 • 3. 4/6 or 2/3 • 4. 5/10 or 1/2 • 5. 4,408 • 6. 30/100=0.3=30% • 7. 70/100=0.7=70% • 8. 90/100=0.9=90% • 9. Area=18 square ft. • 10. 66 • 11. 36 inches • 12. 31 inches • 13. 15 feet • 14. 14 feet • 15. 2 feet • 16. 2 yards • 17. 3 yards 2 feet • 18. 6 + (2 * 4) = 14