98 Chapter 2 Integers and Algebraic Expressions Mixed Exercises For Exercises 43–72, simplify. (See Example 5.) 43. 12 132 44. 33 112 45. 23 132 46. 5 15 47. 4 1452 48. 13 1122 49. 11032 1472 50. 119 1592 51. 0 1172 52. 29 0 53. 19 1222 54. 300 1242 55. 222 751 56. 620 18182 57. 1158 13782 58. 2022 997 59. 6 1122 8 60. 20 1122 152 61. 33 1152 18 62. 3 5 112 63. 7 132 6 64. 12 162 192 65. 10 132 5 66. 23 142 1122 152 67. 18 152 23 68. 14 1152 20 1422 69. 4 1122 1302 16 10 70. 24 152 1192 71. 79 13562 244 72. 620 19492 758 Concept 3: Translations and Applications of Addition For Exercises 73–78, translate to a mathematical expression. Then simplify the expression. (See Example 6.) 73. The sum of 23 and 49 74. The sum of 89 and 11 75. The total of 3, 10, and 5 76. The total of 2, 4, 14, and 20 77. 5 added to the sum of 8 and 6 78. 15 added to the sum of 25 and 7 79. The graph gives the number of inches below or above the average snowfall for the given months for Marquette, Michigan. Find the total departure from average. Is the snowfall for Marquette above or below average? (See Example 7.) 80. The graph gives the number of inches below or above the average rainfall for the given months for Hilo, Hawaii. Find the total departure from average. Is the total rainfall for these months above or below average? Snowfall Amounts Above or Below Average Departure from Average (in.) 12 10 8 6 4 2 0 2 4 6 8 Nov. Dec. Jan. Feb. Mar. Amount of Rainfall Above or Below Average Departure from Average (in.) 1 2 3 4 5 6 0 1 2 3 4 5 May June July Aug. Sept. For Exercises 81 and 82, refer to the table. The table gives the scores for the top two finishers at a recent PGA Master’s golf tournament. 81. Compute Phil Mickelson’s total score. 82. Compute Fred Couples’s total score. Round 1 Round 2 Round 3 Round 4 Phil Mickelson 5 1 5 5 Fred Couples 6 3 4 2
miller_prealgebra_2e_ch1_3
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