Page 297 - Basic College Mathematics with Early Integers

274 C HAPTE R 3 I FRACTIONS

23. 23. Add using a number line: -7 + 3 24. Add using a number line: -3 + 8

24.
25. Simplify: 7 - 8 - 1-52 - 1 26. Simplify: 6 + 1-82 - 1-92 + 3
25.

26. 27. Evaluate: 1-52 2 28. Evaluate: -2 4

27.
12 - 16 2 2
29. Simplify: 30. Simplify: 120 - 5 2
28. -1 + 3

29.
31. Write the prime factorization of 45. 32. Write the prime factorization of 92.
30.

31.
Multiply.

32. 2 5 1 2
33. # 34. #
3 11 7 5
33.

34. 1 1 3 1
35. # 36. #
4 2 5 5
35.

36.
37. Write a fraction to represent the shaded 38. Write the prime factorization of 156.
part of the figure.
37.

38.

39. a.

b. 4
39. Write each as an improper fraction. 40. Write 7 as an improper fraction.
5
40. 2 8
a. 4 b. 1
9 11
41.

42. 42 70
41. Write in simplest form: 42. Write in simplest form:
66 105

43.
1 7 2
#
44. 43. Multiply: 3 3 8 44. Multiply: 3 # 4
45. Copyright 2012 Pearson Education, Inc.

5 3 1 3
46. 45. Divide and simplify: 16 , 4 46. Divide: 1 10 , 5 5