126 Chapter 2 Integers and Algebraic Expressions 29. 29 1412 30. 98 1422 31. 3 1102 12 14 1102 32. 9 1152 2 172 142 For Exercises 33–38, translate each phrase to a mathematical expression. Then simplify the expression. 33. The sum of 23 and 35 34. 57 plus 10 35. The total of 5, 13, and 20 36. 42 increased by 12 37. 3 more than 12 38. 89 plus 22 39. The graph gives the number of inches below or above the average snowfall for the given months for Caribou, Maine. Find the total departure from average. Is the snowfall for Caribou above or below average? Snowfall Amounts Above or Below Average Departure from Average (in.) 10 8 6 4 2 0 2 4 6 Nov. Dec. Jan. Feb. March 40. The table gives the scores for golfer Ernie Els at a recent PGA Open golf tournament. Find Ernie’s total score after all four rounds. 44. 2 1242 45. 289 130 46. 2 7 3 47. 45 1772 8 48. 16 4 132 49. 99 172 6 50. Translate the phrase to a mathematical expression. Then simplify. a. The difference of 8 and 10 b. 8 subtracted from 10 For Exercises 51 and 52, translate the mathematical statement to an English phrase. Answers will vary. 51. 2 14 52. 25 172 53. The temperature in Fargo, North Dakota, rose from 6F to 1F. By how many degrees did the temperature rise? 54. Sam’s balance in his checking account was $40, so he deposited $132.What is his new balance? 55. Find the average of the golf scores: 3, 4, 0, 9, 2, 1, 0, 5, 3 (These scores are the number of strokes above or below par.) 56. A missile was launched from a submarine from a depth of 1050 ft below sea level. If the maximum height of the missile is 2400 ft, find the vertical distance between its greatest height and its depth at launch. Section 2.4 For Exercises 57–72, simplify. 12 57. 6132 58. 4 Round 1 Round 2 Round 3 Round 4 59. 60. 172182 61. 36 9 62. 60 152 63. 1122142112122 64. 112182122112122 65. 15 0 66. 0 5 900 60 Ernie Els 2 2 1 4 Section 2.3 41. State the steps for subtracting two numbers. For Exercises 42–49, simplify. 42. 4 1232 43. 19 44
miller_prealgebra_2e_ch1_3
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