Review Exercises 79 For Exercises 11 and 12, place the numbers on the number line. 1 2 3 4 5 6 7 8 9 10 11 12 13 11. 2 12. 7 For Exercises 13 and 14, determine if the inequality is true or false. 13. 3 6 10 14. 10 7 12 Section 1.3 For Exercises 15 and 16, identify the addends and the sum. 15. 16. For Exercises 17–20, add. 17. 18. 18 24 29 27 9 18 19. 20. 21. For each of the mathematical statements, identify the property used. Choose from the commutative property or the associative property. a. 6 18 22 18 22 6 b. 6 18 22 16 82 2 c. 6 18 22 6 12 82 For Exercises 22 and 23, identify the minuend, subtrahend, and difference. 22. 23. For Exercises 24 and 25, subtract and check your answer by addition. 24. Check: 25. Check: 41 61 61 41 11 37 37 11 102 78 24 14 8 6 68,421 2,221 8403 9007 53 21 74 105 119 224 For Exercises 26–29, subtract. 26. 27. 2005 1389 299 1884 28. 29. 86,000 54,981 67,000 32,812 For Exercises 30–37, translate the English phrase to a mathematical statement and simplify. 30. The sum of 403 and 79 31. 92 added to 44 32. 38 minus 31 33. 111 decreased by 15 34. 7 more than 36 35. 23 increased by 6 36. Subtract 42 from 251. 37. The difference Honda Ford Toyota Bob’s Discount Auto 23 21 34 AA Auto 31 25 40 Car World 33 20 22 a. What is the total number of cars sold by AA Auto? b. What is the total number of Fords sold by these three dealerships? Use the bar graph to answer exercises 39–41.The graph represents the distribution of the U.S. population by age group for a recent year. U.S. Population by Age Group Number of People (in Thousands) 90,000 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 0 0–19 20–39 40–59 60–79 80 and over 80,473 81,430 73,721 35,377 10,420 Source: U.S. Census Bureau of 90 and 52 38. The table gives the number of cars sold by three dealerships during one week. 39. Determine the number of seniors (aged 60 and over).
miller_prealgebra_2e_ch1_3
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