Section 1.1 Fractions 19 56. When dividing two fractions, it is necessary to multiply the first fraction by the reciprocal of the second fraction. 70. Stephen’s take-home pay is $4200 a month. If he budgeted of his pay for rent, how much is his rent? 35 72. Shontell had only enough paper to print out of her book report before school. If the report is 10 pages long, how many pages did she print out? 74. There are 4 cups of oatmeal in a box. If each serving 13 is of a cup, how many servings are contained in the box? 76. Beth has a -in. nail that she must hammer into a board. Each strike of the hammer moves the nail in. into the board. How many strikes of the hammer must she make to drive the nail completely into the board? 1 16 7 8 14 Concept 3: Simplifying Fractions to Lowest Terms For Exercises 43–54, simplify each fraction to lowest terms. (See Examples 2–3.) 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. Concepts 4–5: Multiplying and Dividing Fractions For Exercises 55–56, determine if the statement is true or false. If it is false, rewrite as a true statement. 55. When multiplying or dividing fractions, it is necessary to have a common denominator. For Exercises 57–68, multiply or divide as indicated. (See Examples 4–6.) 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67. 68. 69. Gus decides to save of his pay each month. If his monthly pay is $2112, how much will he save each month? 71. In Professor Foley’s Beginning Algebra class, of the students passed the first test. If there are 42 students in the class, how many passed the test? 73. Marty will reinforce a concrete walkway by cutting a steel rod (called rebar) that is 4 yd long. How many pieces can he cut if each piece must be yd in length? 75. Anita buys 6 lb of mixed nuts to be divided into decorative jars that will each hold lb of nuts. How many jars will she be able to fill? Concept 6: Adding and Subtracting Fractions For Exercises 77–80, add or subtract as indicated. (See Example 7.) 77. 78. 79. 80. 11 18 5 18 17 24 5 24 9 5 1 5 5 14 1 14 34 1 2 5 6 1 3 1000 17 10 3 9 100 13 1000 55 9 18 32 24 11 5 2 10 21 7 5 20 6 5 12 5 4 3 7 14 9 10 5 7 25 1 5 3 7 9 14 15 28 7 9 10 13 26 15 210 119 200 150 70 120 110 176 32 48 48 64 35 80 42 48 20 12 16 6 8 12 3 15
miller_beginning_intermediate_algebra_4e_ch1_3
To see the actual publication please follow the link above