Page 202 - Basic College Mathematics with Early Integers

45. Thirty-three out of the fifty total states in the United 46. Consumer fireworks are legal in 45 out of the 50 total
States contain federal Indian reservations. states in the United States.
a. What fraction of the states contain federal Indian a. In what fraction of the states are consumer
reservations? fireworks legal?
b. How many states do not contain federal Indian b. In how many states are consumer fireworks illegal?
reservations? c. In what fraction of the states are consumer
c. What fraction of the states do not contain federal fireworks illegal? (Source: United States
Indian reservations? (Source: Tiller Research, Fireworks Safety Council)
Inc.,Albuquerque, NM)

47. A bag contains 50 red or blue marbles. If 21 marbles 48. An art dealer is taking inventory. His shop contains a
are blue, total of 37 pieces, which are all sculptures, watercolor
a. What fraction of the marbles are blue? paintings, or oil paintings. If there are 15 watercolor
paintings and 17 oil paintings, answer each question.
b. How many marbles are red?
c. What fraction of the marbles are red? a. What fraction of the inventory is watercolor
paintings?
b. What fraction of the inventory is oil paintings?
c. How many sculptures are there?
d. What fraction of the inventory is sculptures?

Objective Graph each fraction on a number line. See Example 13.

1 1
49. 50.
4 3
0
0
4 5
51. 52.
7 6
0 0

8 9
53. 54.
5 8
0 0
7 13
55. 56.
3 7
0 0

Objective Simplify by dividing. See Examples 14 through 19.

12 -3 -5 -20
57. 58. 59. 60.
12 -3 1 1
0 0 -8 -14
61. 62. 63. 64.
-2 -8 -8 -14
-9 -7 3 5
65. 66. 67. 68.
0 0 1 5
179