Section 1.3 Subtraction of Whole Numbers 29 29. 30. 31. 1525 32. 1204 4865 713 1347 221 33. 34. 35. 36. 8843 5612 12,806 2802 12,771 1240 14,356 13,253 34,550 31,450 For Exercises 37–60, subtract the whole numbers involving borrowing. (See Examples 3 and 4.) 37. 38. 39. 87 40. 38 64 48 76 59 41. 42. 43. 710 44. 189 360 225 240 136 45. 46. 47. 6002 48. 1238 7293 7255 4350 4327 49. 50. 51. 62,088 52. 59,871 23,901 8,064 10,425 9,022 53. 54. 55. 56. 94 75 850 303 3000 2356 32,112 28,334 470 92 674 89 3700 2987 8000 3788 57. 58. 59. 60. 32,439 1498 21,335 4123 8,007,234 2,345,115 3,045,567 1,871,495 Concept 3: Translations and Applications Involving Subtraction For Exercises 61–72, translate the English phrase into a mathematical statement and simplify. (See Example 5.) 61. 78 minus 23 62. 45 minus 17 63. 78 decreased by 6 64. 50 decreased by 12 65. Subtract 100 from 422. 66. Subtract 42 from 89. 67. 72 less than 1090 68. 60 less than 3111 69. The difference of 50 and 13 70. The difference of 405 and 103 71. Subtract 35 from 103. 72. Subtract 14 from 91. For Exercises 73–76, write an English phrase for the mathematical statement. (Answers will vary.) 73. 93 27 74. 80 20 75. 165 85 76. 171 42 77. Use the expression 7 – 4 to explain why subtraction is not commutative. 79. A $50 bill was used to purchase $17 worth of gasoline. Find the amount of change received. (See Example 6.) 78. Is subtraction associative? Use the numbers 10, 6, 2 to explain. 80. There are 55 DVDs to shelve one evening at a video rental store. If Jason puts away 39 before leaving for the day, how many are left for Patty to put away?
miller_basic_college_math_3e_ch1_3
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