Solution Manual for Contemporary Business Mathematics with Canadian Applications 12th Edition

Solution Manual for Contemporary Business
Mathematics with Canadian Applications 12th
Edition Hummelbrunner

,2 ISM for Hummelbrunner/Halliday/Hassanlou, Contemporary Business Mathematics, Twelfth Canadian Edition


PART ONE Mathematics Fundamentals and Business Applications

Chapter 1 Review of Arithmetic

Exercise 1.1

A. 1. 12  6  3  12  2  14

2. (3  8  6)  2  (24  6)  2  18  2  9

3. (7  4)  5  2  11 5  2  55  2  53

4. 5  3  2  4  15  8  23

5. 6(7  2)  3(5  3)  6(5)  3(2)  30  6  24
20  16 4 1
6.    0.2
15  5 20 5
7. 4(8  5)2  5(3  22 )  4(3)2  5(3  4)  4(9)  5(7)  36  35  1
8. (3  4  2)2  (2  2  72 )  (12  2) 2  (2  2  49)

 102  (2  98)  100  96  4

9. 250(1  0.08)10  250(2.158925)  539.73

10. (1  0.04)4  1  1.169859  1  0.17

11. 30  600  2500  12  600  18 000  2500  7200  8300

12. 1  [(1  0.40)(1  0.25)(1  0.05)]  1  [(0.6)(0.75)(0.95)]  1  [0.4275]  0.5725  0.57
13.
15  7  6(2  3) / 3
 15  7  6(5)  3
 15  7  30  3
 15  7  10
 18
14.
 4  6(4  2)
 8  4  6(6)
 32  36
 68



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, CHAPTER 1: Review of Arithmetic 3


15.
(1  0.7)  4  20  5
 (0.3)  4  4
 (0.3)  16
 15.7
16.
50[(1  0.2)(1  0.175)(1  0.04)]
 50[(0.8)(0.825)(0.96)]
 50[(0.6336)]
 31.68
17.
7a  6[4  (3a  6)]
 7a  6[4  3a  6]
 7a  6[2  3a]
 7a  12  18a
 25a  12
18.
6a  4b  2(16  2a  b)
 6a  4b  32  4a  2b
 2a  6b  32



Exercise 1.2

24 12 6 2 2
A. 1.       also 
36 18 9 3 3

28 14 7 7/7 1 1
2.       also 
56 28 14 2 2

210 21 7 7
3.     also 
360 36 12 12

360 72 8 8
4.     also 
225 45 5 5

, 4 ISM for Hummelbrunner/Halliday/Hassanlou, Contemporary Business Mathematics, Twelfth Canadian Edition



144 72 8 8/ 4 2 2
5.       also 
360 180 20 5 5

25 5
6.  
365 73

365 5
7.  
73 1

365 5
8.  
219 3
13
B. 1. 6 1
2 
2
5 29
2. 4 
6 6
15
3. 3 3 4 
4
2 26
4. 8 
3 3
23 1
5.  11
2 2
51 1
6. 5
10 10
31 3
7. 7
4 4
19 5
8. 2
7 7


11
C. 1.  1.375
8
7
2.  1.75
4
5
3.  1.666667  1.6&
3
5
4.  0.833333  0.83&
6



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