Applying the Concepts
19. $1490
21. 87
23. Length: 25 ft; width: 15 ft
25. 14 yr
27. $2010
29. 1500 cameras
31. $62,000 and $85,000
33. July: 530 tickets; August: 583 tickets
35. Younger son: $45,000; older son: $180,000
-
81
78
39. $4000 in a tax shelter and $3000 in a bank
41. $2500
43. 35,000 shaving sets
45. 2.5 hr
47. 30 mph
49. 100 mph and 107 mph
51. 2 hr and 24 min
53. 3 hr and 36 min
55. 12 hr
57. 1.5 hr
59. 30 g
61. 450 g of 60-40 solder and 150 g of 40-60 solder
63. 2.25 liters
65. 231 nickels, 77 dimes, 308 quarters
67. 71 yr
69. 4 m
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