Page 395 - Basic College Mathematics with Early Integers

372 C HAPTE R 5 I RATIO, PROPORTION, AND MEASUREMENT

24 60 26 28 3.5 7 0.2 8
45. = 46. = 47. = 48. =
n 96 n 49 12.5 n 0.7 n

0.05 n 7.8 n 8 24 12 48
49. = 50. = 51. = 52. =
12 0.6 13 2.6 1 n 3 n
3 4

1 2 7 1 2 8
3 5 9 4 12 3 24 15
53. = 54. = 55. = 56. =
3 n 8 n n 6 n 5
8 27 9 9

1 3
4 7
n 6 n 5 25 3 9 5
57. = 58. = 59. = 60. =
1 2 1 3 n 7 n 11
1 6 3 2
5 3 8 8 30 15

Review

Insert 6 or 7 to form a true statement. See Sections 3.7 and 4.1.

1 1
61. 8.01 8.1 62. 7.26 7.026 63. 2 2
2 3

1 1 1 2 1 1
64. 9 9 65. 5 6 66. 1 2
5 4 3 3 2 2

Concept Extensions

Think about cross products and write each proportion in two other ways so that each result is also a true proportion. See
the Concept Check in this section.

9 3 1 5
67. = 68. =
15 5 4 20

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6 1 2 4
69. = 70. =
18 3 7 14