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Week #8 - O (p. 79, 19) Percents of a number |
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O2 p. 19 |
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O1p. 79 |
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1. 50%
2. 19%
3. 45
4. 20
5. 15
6. 84
7. 25%
8. 90
9. 38.88
10. 58% |
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1. 142 2. 81.25 3. 13.72 4. 7.04 5. 9 6. 26.25 7. 106.8 8. 46.75 9. 35 10. 3,245 11. 5,405 12. 2,269.5
13. 50% 14. 12.5% 15. 7.7% 16. 20% 17. 12.5% 18. 25% 19. 2.25% 20. 5% 21. 22% 22. 6.5% 23. 8% 24. 18%
25. $20.48 26. $142.50 27. $68.75 28. $5.25 29. $122.85 30. $26.80 31. $47.95 32. $41.91 33. $159.94 34. $256.41
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Week #8 - P (p. 73, 75, 25) Ratio/Proportion |
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P2 p. 73 |
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P1 p. 75 |
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1. A proportion is an equation with two ratios set equal. Examples will vary.
2. x=3; extremes: 2 means:3,20
3. T 4. T 5. F 6. F
7. 12 8. 50 9. 36 10. 1
11. 9/27 = x/9.60; 3.2 gallons
12. 25/5 = 150x, 30 boxes |
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1. A ratio is a comparison of two numbers with the same unit by division. Rate is a comparison of two measurements with different units.
2. Answers will vary
3. 1/12 4. 7/9 5. 3/1 6. 8/1
7. 17 mi/gal 8. 0.25 in./hr.
9. $0.68/lb 10. $2.50/ticket |
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P3 p. 25 |
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1. x = 3 2. A - 6 3. S = 9 4. R = 13 5. K = 12 6. B = 6 7. P = 6 8. T = 40 9. S = 14 10. C = 40 11. A = 40 12. Z = 75 13. H = 15 14. G = 70 15. Q = 14 16. T = 40 17. R = 2.5 18. D = 4 19. C = 3.6 20. X = 4 21. K = 2.52 22. X = 100 23. X = 1.6 24. Y = 54 25. X = 0.33 26. X = 1.2 27. Y = 4 28. X = 6 |
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