Page 340 - Basic College Mathematics with Early Integers
P. 340
Divide. Round the quotients as indicated. See Example 6.
35. Divide: 429.34 by 2.4. Round the quotient to the 36. Divide: 54.8 by 2.6. Round the quotient to the
nearest whole number. nearest whole number.
37. Divide: 0.549 , 0.023. Round the quotient to the 38. Divide: 0.0453 , 0.98. Round the quotient to the
nearest hundredth. nearest thousandth.
39. Divide: 68.39 , 0.6. Round the quotient to the 40. Divide: 98.83 , 3.5. Round the quotient to the
nearest tenth. nearest tenth.
Objective Divide. See Examples 8 and 9.
54.982 342.54 26.87 13.49
41. 42. 43. 44. 45. -12.9 , 1000 46. -13.49 , 10,000
100 100 10 10
Objectives Mixed Practice Divide. See Examples 1 through 5, 8, and 9.
13.1 17.7
47. 788.2 48. 9130.5 49. 50.
10 10
456.25 986.11
51. 52. 53. 1.239 , 3 54. 0.54 , 12
10,000 10,000
55. Divide 4.8 by -0.6. 56. Divide 4.9 by -0.7. 57. -1.224 , 0.17 58. -1.344 , 0.42
59. Divide 42 by 0.03. 60. Divide 27 by 0.03. 61. Divide -18 by -0.6. 62. Divide 20 by 0.4.
63. Divide 87 by -0.0015. 64. Divide 35 by -0.0007. 65. -1.104 , 1.6 66. -2.156 , 0.98
4.615 23.8
67. -2.4 , (-100) 68. -86.79 , (-1000) 69. 70.
0.071 0.035
Objective Evaluate each expression for x = 5.65, y =-0.8, and z = 4.52. See Example 10.
71. z , y 72. z , x 73. x , y 74. y , 2
Objective Solve. For Exercises 75 and 76, the solutions have been started for you. See Example 11.
75. Josef Jones is painting the walls of a room.The walls 76. A shipping box can hold 36 books. If 486 books must
have a total area of 546 square feet.A quart of paint be shipped, how many boxes are needed?
covers 52 square feet. If he must buy paint in whole
quarts, how many quarts does he need? Start the solution:
1. UNDERSTAND the problem. Reread it as many
Start the solution:
times as needed.
1. UNDERSTAND the problem. Reread it as many 2. TRANSLATE into an equation. (Fill in the blanks.)
times as needed.
number number divided books
2. TRANSLATE into an equation. (Fill in the blanks.) is
of boxes of books by per box
number square divided square feet
is T T T T T
of quarts feet by per quart
number
= _____ , _____
T T T T T of boxes
number of
= _____ , _____ 3. SOLVE. Don’t forget to round up your quotient.
quarts
4. INTERPRET.
3. SOLVE. Don’t forget to round up your quotient.
4. INTERPRET.
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