Contemporary Business Mathematics Canadian 9th Edition Hummelbrunner Solutions Manual

Page 1

Contemporary Business Mathematics Canadian 9th Edition Hummelbrunner Solutions Manual Full Download: http://alibabadownload.com/product/contemporary-business-mathematics-canadian-9th-edition-hummelbrunner-so

PART ONE Chapter 1

Mathematics Fundamentals and Business Applications Review of Arithmetic

Exercise 1.1 A. 1.

9

3.

53

4.

23

5.

4

6.

24

7.

68

8.

2

10.

0.2 1

11.

4

12.

539.73

13.

0.17

14.

11180

15.

8300

16.

0.57

2.

2 ; 3 1 ; 2

6.

0.7&

4.

$423

7.

1.083&

5.

$22 0364.90

8.

1.26&

6.

$2250

3.375

7.

34 426.47022

4.

11 ; 12

C. 1.

5.

8 ; 5

2.

3.4

8.

1734.832204

6.

8 ; 7

3.

8.3&

9.

31 500

4.

16.6&

10.

292.865178

7.

2 ; 5

5.

33.3&

11.

29 000

8.

5 ; 4

6.

83.3&

12.

897 000

7.

7.7&

13.

0.586

8.

7.083&

14.

0.49136

9.

5 73

10.

23 73

11.

5 1

12. B. 1.

Exercise 1.2

A. 1.

7 ; 12

14

2.

9.

3.

2.

5 3

D. 1.

5.63

2.

17.45

3.

18.00

4.

253.49

5

57.70

6.

3.09

7.

13.00

8.

40.00

E. 1.

$730

2.

0.15

3.

$630.70

1.375 1.75

3.

1.6&

4.

0.83&

5.

1.83&

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Exercise 1.3 A. 1.

0.64

2.

3

3.

0.025

4.

0.001

5.

0.005

6.

0.85

7.

2.5

8.

0.048

9.

0.075


10.

0.009

11.

0.0625

12.

0.99

13.

2.25

14.

0.0005

15.

0.0825

16.

0.005

17.

1.125

18.

0.09375

19.

0.0075

20.

1.625

21.

0.004

22.

0.0025

23.

0.00025

24.

1.375

25.

0.00625

26.

0.00875

27.

0.0225

28.

0.16&

29.

1.16&

30.

1.83&

31.

0.83&

32.

0.6&

B. 1.

1 4

2.

5 8

17.

1 800

3.

7 4

18.

1 3

4.

1 20

19.

3 400

5.

3 8

20.

2 3

6.

3 4

21.

1 16

1 25

22.

8.

2 25

23.

1 6

9.

2 5

24.

3 40

10.

7 8

25.

5 2

26.

7.

11.

1 400

7.5%

3.

0.5%

4.

37.5%

5.

2.5%

6.

200%

7.

12.5%

8.

0.1%

9.

22.5%

12.

2.25%

3 400

13.

0.25%

14.

99.5%

7 800

15.

9%

16.

300%

17.

75%

18.

12%

19.

& 166.6%

20.

3.5%

21.

4.5%

22.

62.5%

23.

0.75%

24.

& 83.3%

13.

1 8

28.

3 500

3 5

29.

16.

2.

145%

1 1000

1 200

350%

11.

27.

9 400

C. 1.

0.8%

1 50

15.

5 3

10.

12.

14.

32.

1 40

30.

4 3

31.

11 6

Copyright © 2012 Pearson Canada Inc.


25.

1.125%

(b) $1.03

8.

26.

& 116.6%

(c) $0.12

9.

27.

37.5%

3.

2.9

28.

27.5%

4.

$7275

29.

& 133.3%

5.

30.

2.25%

(b) 115.899

11.

5.25%

(b) 8

31.

65%

(c) $10.35

12.

7.5%

(c) 11

32.

80%

(d) $1379.20

13

$19 680

(d) 8

14.

$6782.86

(e) $1500

15.

 $584.79

(f) 0.15

16.

$721.35

(g) 339.73

17.

$10.26

(h) 950.68

18.

$11.32

(i) 625.45

Exercise 1.4 A. 1. 2. 3. 4. 5.

A. 1.

(a) $10.45

(a) $1326

(b) $17 (c) $1606.50

$1406.25 $ 48.00

2.

(c) $1074.06

27.00 56.00

3.

$176.00 $ 48.00

4.

55.00 252.00

(a) $918.00

5.

400.00

B. 1. 2.

(a) 61

(b)

$573.95

Cook's owes 1.

the government $27 728.50.

(b) $1185.50

2.

$950.

(a) $9.96

3.

$39.00

(b) 8.5

4.

 $16.50

(a) $16.47

5.

$0.74

(b) $ 875.94

6.

$ 50.00

(b) 44.32 (c) $7756.00

Review Exercise 1. (a) 29

(j) 1250

(b) 0.075 (c) 0.004 (d) 0.00025 (e) 0.0125 (f) 0.0075 (g) 1.625 (h) 0.1175 (i) 0.083&

$501.56

7.

$2843.88

$1568.06

8.

$4357.80

9.

14.497857

41¢ 7.

$400

10. (a) $11 080 000

2. (a) 1.85

(a) $7.26

$791.00 6.

(a)

Exercise 1.6

(b) $12.24

45.00

6.

10.

$1169.81 $1147.50

(a) $825.00 (b) $932.25

Exercise 1.5

$10 734.37

$1421.60

Copyright © 2012 Pearson Canada Inc.

(j) 0.83& (k) 2.6&


(d) $6.06

(l) 0.10375 3. (a)

(b)

1 2

(e)

3 (f) 40 (g)

(h)

3 400 1 160

4. (a) 225% (b) 2% (c) 0.9% (d) 12.75% (e) 125% (f) 137.5%

19. (a) $13.40

150.00

(b) 8.15

$584.00 7. (a) $11.89 (b) $10.71 8.

$13 875

9.

$13 680

10. (a) $1456.00

21. $10.56

7. $7.35

22. 68.27

8. $299 250.00

23. $3052.00

9. $650

24. $3817.50

10. 15.5%

25. $18.68 26. more

(c) 16.5

(c) 2.050231

11. (a) $845.52 (b) $10.84

(d) $71.76

(b) $17.09

Self-Test 1. (a) 4415.87 (b) 93.21 (c) 2610.15

13. (a) $481.95 (d) 4623.33 (b) 33.15 (e) 5489.46 14. (a) $1924.25 2. (a) 1.75 (b) 0.00375 (b) $11.39 16. 4.25% 17. $21 750

12. $788.50 13. $12.12 14. $887.00 15. $9.00 16. $7190.40

(c) $1048.77 12. (a) $735

11. $2382.41

27. (a) 46.71143

15. (a) $398.65

(c) 5.05kg

5. $7080 6. $203.00

(b) $1634.90

(h) 28%

(b) $24.25

(b) 2.25%

20. $5945.00

(b) $9.60

(g) 2.5%

& 5. (a) 20.2083kg

4. (a) 112.5%

252.00

5 3 1 200

$35.00

147.00

3 8

1 (c) 6 (d)

6.

18. $11.44

3. (a)

(b)

1 40 7 6

Copyright © 2012 Pearson Canada Inc.

17. $45 500.00 18. $19.10


Chapter 2

Review of Basic Algebra Exercise 2.1

Exercise 2.1

22. 14  9 x  y

19. x3  y 3

11. $901.99

A. 1.

19a

23. 10a  14b

20. a 3  3a 2  3a  1

12. $1052.71

3m

24. 2 f  2 f 2  3 fg

2. 3.

 a  10

4.

3a  14

5.

2 x  4 y

6.

21. 7 x 2  3 x  39

3p  q

7.

14 f  4v

8.

2c  3d

9.

0.8x

13. $1400.06

B. 1.

12 x

2.

56a

3.

10ax

4.

27 ab

5.

2 x 2

6.

24m 2

7.

60 xy

10. 1.06x 8.

24abc

9.

2 x  4 y

11. 1.4x

22. 5a 2  13a  12

Exercise 2.2 23. 4ab 24. 5 y

2.

1

26. 6

3.

16

27. 10m  4

4.

1

28. 2 x  3

5.

16 81

6.

625 1296

7.

1 64

8.

8 27

9.

0.25

30. a  4a  3

10. 10 x  20

C. 1.

11. 2ax 2  3ax  a

5

2.

14

3.

5500

13. 35 x  30

4.

20000

17. x  7 y

14. 10a  15b

5.

0.586

18. 2a  2

15. 20ax  5a

6.

$40.50

19. 4b  2c  2

16. 21 y  31

7.

$378

17. 3 x 2  5 x  2

8.

0.125

18. 5m 2  17 mn  6n 2

9.

$3000

12. 24 x  12bx  6b x

81

25. 4 x

2

14. 4.05y

A. 1.

29. 2 x 2  3 x  6

12. 0.98x 13. 2.79x

14. $1600.08

2

15.  x 2  x  8 16.  ax  x  2

20. 2a  6ab  5b 2

21.  m  6m  1 2

2

10. 113.379904

10. 0.13&

Copyright © 2012 Pearson Canada Inc.

11. 0.001 12. 335.544320 13. 1 14. 1


15.

1 9

13.

16. 512 17. 

14.

1 125

1 18. 167.9616

311 511 1 62

21.

1 1.01

22. 1

B. 1. 2.

(4) 4 43

4.

(3)

2

2.

14.35

19. 0.029998

3.

3

20. 0.019999

17. 1.025150

4.

1.01

21. 0.04

18. 1.00590

5.

1.075886

22. 0.01

19. 1.0480

6.

0.5

315 20. 15 7

7.

1.013300

8.

1.011715

16. 

3 4

22. (1  r )

B. 1.

55

160

3.

12.25

3. 3  log 5

4.

60.154991

4. 5  log10 0.00001

5.

1.071122

6.

1.015241

5. 2 j  ln 18

7.

0.629961

6. 3 x  ln 12

25. a b

6.

(4)18

26. 16 x 4 y 4

7.

a14

27. m 24 n8

8.

0.995156

8.

m5

28.

a12b8 x4

9.

163.053437

9.

311

11. 6 31.

10. 16.546852

b8 a8

B. 1.

1 81

34 

12. 0.589664

3.

101  10

13. 1630.176673

4.

e 2  e2

11. 2.158925

Copyright © 2012 Pearson Canada Inc.

C. 1.

1 125

25  32

2.

4

30. 55

2. 7  log 3 2187

7

215

29. 2

A. 1. 9  log 2 512

2.

24. (1  r )120

15

Exercise 2.4

6

5.

12. x 2

16. 1855.967995

18. 4391.497547

5 5

10. (1)

15. 1139.915716

72

A. 1.

23. (1  i )

3.

14. 12 151.73813

17. 5000.00

21. (1  i ) 200

28

in (1  i )n

Exercise 2.3

(3)11 15. 211

19. 125 81 20. 16

32.

0.693147


2.

5.298317

2.

x3

C. 1.

3.

2.253795

3.

x0

4.

7.133435

4.

x  2

5.

6.825303

5.

x5

6.

10.156367

Exercise 2.5

6.

x  2

7.

x  21

8. A. 1.

x  5

3.

x  80

4.

x  650

5.

x  18

6.

x  56

7.

x  35

9.

x  24 x  4

10. x  7 11. x  8 12. x  9 13. x  5 14. x  12 15. x  20 16. x  300

Exercise 2.6 A. 1. x  10 2.

x  2

3.

x  3

4.

x5

5.

x3

6.

x5

7.

x  14

8.

x2

B. 1.

x  20

2.

x  16

3.

x  1

4.

x3

5.

1 x 2

6.

2 x 3

17. x  200 18. x  60 B. 1.

9.

2.

x2

10. $23 500.

3.

x

4.

3 x 4

5 6

x4

$89.00.

11. 1300. 12. 18. 13. 20 units.

y b m

D. 1. x 

x 3

2.

8.

x8

x  1

14.

20 dimes, 56 nickels, and 16 quarters.

M r

2.

S

3.

PMT  PVi

4.

t

30 $12 tickets, 15.

100 $ 8 tickets, and 21 $15 tickets.

I Pr

6

AP Pt

5.

r

6.

 FV  n i  1  PV 

16.

medium pizzas,

17 large pizzas, and 13 small pizzas.

1

Exercise 2.7

A. 1. $28.28. 2.

$864.

3.

$35.00.

Review Exercise 1. (a) 2 x  7 y (b) 1.97 x (c) 6a  7 (d) x  3 y

4.

$18.90.

5.

192.

6.

$9.20.

7.

$670.

8.

65 cm.

Copyright © 2012 Pearson Canada Inc.

(e) 9a 2  4b  4c (f)  x 2  3 x  1 2. (a) 15a (b) 28mx (c) 7


(d) 3ab

(c) 1

(e) 36 xy

(d) 

(e) 1.098612

(f) 24abc (g) 12 x  20 y  4

(e)

(f) 2.995732

1 3

(g) 7.087540

625 16

6. (a) x  7

(f) 1

(i) 6 x  4

(g) 19 683

(k) 26a  29

(m) 2m 2  7 m  5

(h) 1024

(d) x  18

(i) 59 046 12

(j) m (k)

(n) 3a 3  8a 2  5a  6 (o) 14 x  34 x  36 2

(p)

(b) x  880 (c) x  21

(l) 14ax  2a 2  10a

(l)

(e) x  3 (f) x  11

16 81

(g) x  250

25 16

(i) x  5

(h) x  40

150

(m) 1.03

(n) (1  i )

80

26am 2  26am  37 a

1 (b) 6 3 (c) 0.16 (d) 200

(k) x  39 (l) x  56

(o) 1.05

(p) 16 x 4 y 4 81 (q) 8 4 ab 1 (r) (1  i )n

(e) $645.10 (f) 2500 4. (a) 243 16 (b) 81

(g) x  

1 2

7. (a) x  7 (b) x  5

(e) x  7

(b) t 

(c)

SP Pr

D L

 FVp  (d)   n  (1  p )  1 

9. (a) 138. (b) $63 350.

(d) $44500. heat $814 (e) power $1056 water $341 (f) $37 500

(c) x  3 (d) x  

I Pt

8. (a) r 

(c) $117.

(j) x  7

150

3. (a) 47

1 3

(h) 9.871647

(h) x  2 x 2  x 3

(j) 7 a  4

(f) x  

7 12

(g) 35 minutes. (h) superlight poles is 27; ordinary poles is 45.

5. (a) 0.96 (b) 1.012126 (c) 1.07 (d) 0.968442

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(i) 164.


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5. (a) n  6

Self-Test 1. (a) 2  8 x (b) 2 x  9 (c) 16a  7 (d) 6 x  6 x  12

(b) n  5 6. (a) x  36 (b) x  9 (c) x  20

2

2. (a) 7 (b) 18

(d) x  3 (e) x  3

2 3

(c) 0.192 (d) 0.4 (e) 1474

(f) x  35 (g) x  25 (h) x  2 7. (a) P 

(f) 1450 3. (a) 8 (b)

4 9

(c) 1 (d) 2187 (e)

9 16

(b) d 

I rt S P St

8. (a) $240. (b)

4600square metres.

(c) 55. (d) $4500.

(f)  x15 4. (a) 1.030465 (b) 23.114767 (c) 0.024693 (d) 0.898612 (e) 5.755972 (f) 7.270789

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