Page 215 - Basic College Mathematics with Early Integers

192 C HAPTE R 3 I FRACTIONS

25 36 40 28
33. 34. 35. - 36. -
40 42 64 60

36 60 90 60
37. 38. 39. 40.
24 36 120 150

70 98 66 65
41. 42. 43. 44.
196 126 308 234

55 78 189 144
45. - 46. - 47. 48.
85 90 216 162
224 270
49. 50.
16 15

Objective Determine whether each pair of fractions is equivalent. See Examples 10 and 11.

3 4 3 2 7 5 2 4
51. and 52. and 53. and 54. and
6 8 9 6 11 8 5 11

10 6 4 6 3 6 2 7
55. and 56. and 57. and 58. and
15 9 10 15 9 18 8 28

10 12 16 9 8 12 6 14
59. and 60. and 61. and 62. and
13 15 20 12 18 24 21 35

Objective Solve.Write each fraction in simplest form. See Example 12.

63. A work shift for an employee at Starbucks consists of 64. Two thousand baseball caps were sold one year at the
8 hours.What fraction of the employee’s work shift is U.S. Open Golf Tournament.What fractional part of
represented by 2 hours? this total does 200 caps represent?

65. There are 5280 feet in a mile.What fraction of a mile 66. There are 100 centimeters in 1 meter.What fraction of
is represented by 2640 feet? a meter is 20 centimeters?

67. Sixteen out of the total fifty states in the United States 68. There are 78 national monuments in the United
have Ritz-Carlton hotels. (Source: Ritz-Carlton Hotel States.Ten of these monuments are located in New
Company, LLC) Mexico. (Source: National Park Service)

a. What fraction of states can claim at least one a. What fraction of the national monuments in the
Ritz-Carlton hotel? United States can be found in New Mexico?
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b. How many states do not have a Ritz-Carlton b. How many of the national monuments in the
hotel? United States are found outside New Mexico?
c. Write the fraction of states without a Ritz-Carlton c. Write the fraction of national monuments found in
hotel. states other than New Mexico.