Page 191 - Basic College Mathematics with Early Integers

168 C HAPTE R 2 I INTEGERS AND INTRODUCTION TO VARIABLES

25. 25. Divide: 3705 , 5 26. Divide: 3648 , 8
Check by multiplying. Check by multiplying.
26.

27. 27. As part of a promotion, an executive 28. Mrs. Mallory’s first grade class is going
receives 238 cards, each good for one to the zoo. She pays a total of $324 for
28. free song download. If she wants to 36 admission tickets. How much did
share them evenly with 19 friends, how each ticket cost?
29. many download cards will each friend
receive? How many will be left over?
30.

31.
Evaluate.
32.
29. 9 2 30. 5 3
33.

34. 31. 6 1 32. 4 1

35.
#
33. 5 6 2 34. 2 3 # 7
36.
37.
#
#
2
7 - 2 3 + 3 2 6 + 4 4 + 2 3
35. Simplify: 36. Simplify:
38. 5(2 - 1) 37 - 5 2
39. a.
37. Evaluate x + 7 if x is 8. 38. Evaluate 5 + x if x is 9.
b.

c. 39. Simplify: 40. Simplify:

a. ƒ -2 ƒ a. ƒ 4 ƒ
40. a.
b. ƒ 5 ƒ b. ƒ -7 ƒ
b. c. ƒ 0 ƒ

41.
41. Add: -14 + 35 42. Add: 8 + (-3)
42.
43. 43. Evaluate 2a - b for a = 8 and b =-6. 44. Evaluate x - y for x =-2 and
y =-7.
44.

45. 45. Multiply: -7 3 46. Multiply: 5(-2)
#
46.
#
#
47. Multiply: 0 (-4) 48. Multiply: -6 9
47.
48. Copyright 2012 Pearson Education, Inc.
49. Simplify: 3(4 - 7) + (-2) - 225 50. Simplify: 4 - 8(7 - 3) - (-1)
49.

50.