Answers to Chapter 5 Exercises
Exercise Set 5.1
1.
3.
5.
7.
9.
11.
13.
15.
17.
19.
21.
23.
25.
27.
29.
31.
33.
35.
37.
39.
41.
43.
45.
47.
67 miles per hour
59.5 miles per hour
$2.40 per pound
$5.60 per pound
$118.50 per door
$12.75 per yard
$18,000 per acre
$84,000 per acre
12 oz is cheaper
They are the same.
235 miles is faster
38 nautical miles is faster
$98,700 is cheaper
$92,750 is cheaper
322 miles is better mileage
$331.50 is cheaper
$163.80 is cheaper
4.2 earned runs is lower
175 turnovers is lower
7
x=!
6
32
y=!
15
40
y=
3
a = !1.5
14
z=!
3
2.
4.
6.
8.
10.
12.
14.
16.
18.
20.
22.
24.
26.
28.
30.
32.
34.
36.
38.
40.
42.
44.
46.
48.
49. w = !36
51. b = !
50.
27
2
72 miles per hour
63.5 miles per hour
$3.75 per pound
$2.40 per pound
$38.45 per beam
$13 per foot
$1,400 per acre
$51,000 per acre
15 oz is cheaper
20 rolls is cheaper
167 miles is faster
204 nautical miles is faster
$19,500 is cheaper
$26,936 is cheaper
310 miles is better mileage
$172.50 is cheaper
$83.20 is cheaper
106 earned runs is lower (barely)
132 turnovers is lower
30
x=
17
21
y=!
10
75
y=!
4
a = !2.88
24
z=!
5
35
w=!
6
52. b = !24
53. t = !24
54. t = !
416
34
3
55.
x = !10
56.
57.
x = !11
58.
59.
61.
63.
65.
67.
69.
71.
$965.91
$273
$8,100
$8.12
52 earned runs
348 assists
345 miles
1
3 inches
2
386.4 miles
8 hours
22.5 feet
7.5 feet
60.
62.
64.
66.
68.
70.
72.
73.
75.
77.
79.
81.
74.
76.
78.
80.
82.
x = !7
9
x=
2
$3,908.33
$442.25
$18,200
$6,840
2.17 earned runs
260 turnovers
625 miles
1
4 inches
3
288 miles
7.5 hours
46.875 feet
5.6 feet (approximately)
Exercise Set 5.2
7
20
12
3.
25
9
5.
10
1
7.
40
13
9.
200
1
11.
80
7
13.
4
1.
2.
4.
6.
8.
10.
12.
14.
15. 5
16.
17.
19.
21.
23.
18.
20.
22.
24.
0.84
0.035
1.75
6
417
3
4
14
25
6
25
99
500
11
250
1
125
12
5
16
5
0.5
0.065
2.4
8.5
25.
27.
29.
31.
33.
35.
37.
39.
41.
43.
45.
47.
49.
51.
53.
55.
57.
59.
61.
63.
65.
67.
69.
71.
73.
75.
77.
0.009
0.0006
50%
37.5%
625%
131.25%
4
44 %
9
1
83 %
3
1
333 %
3
3
271 %
7
34.8%
65%
328%
506.4%
5.69%
0.468%
0.05419%
14.82%
4.5%
4.5%
57.5%
31.25%
59.375%
45.7%
91.1%
15%
19%
26.
28.
30.
32.
34.
36.
46.
48.
50.
52.
54.
56.
58.
60.
62.
64.
66.
68.
70.
72.
74.
76.
78.
0.005
0.0008
25%
62.5%
475%
256.25%
7
77 %
9
1
57 %
7
2
416 %
3
4
336 %
11
21.5%
25%
116%
304.8%
4.98%
0.517%
0.04906%
18.65%
6.5%
1.8%
37.5%
55%
60%
63.0%
80.4%
14%
18%
2.
4.
6.
8.
10.
12.
68.4
800
56%
780
78%
650
38.
40.
42.
44.
Exercise Set 5.3
1.
3.
5.
7.
9.
11.
100.8
1200
42%
322
95%
1200
418
13. 1305
15. 700
2
17. 66 %
3
19. 50
21. 68
23. 125%
25. 235
27. 1260
1
29. 133 %
3
31. 189
33. 2400
2
35. 66 %
3
37. 144
39. 86
14. 1620
16. 650
18. 72%
20.
22.
24.
26.
28.
30.
32.
34.
36.
38.
40.
50
250
125%
115
1380
2
166 %
3
352
360
1
83 %
3
135
85
Exercise Set 5.4
1.
3.
5.
7.
9.
11.
13.
15.
276
800
85%
462.5
85%
1320
2100
500
2
17. 66 %
3
19. 138
21. 65
2.
4.
6.
8.
10.
12.
14.
16.
23. 140%
24.
25.
27.
29.
31.
33.
35.
26.
28.
30.
32.
34.
36.
18.
20.
22.
329
95
180%
969
1200
85%
419
96.2
500
72%
795.2
78%
1450
107.9
600
1
83 %
3
174
52
8
138 %
9
48.3
840
180%
1026
1530
67%
37. 500
39. 75
38. 320
40. 105
Exercise Set 5.5
1.
3.
5.
7.
9.
11.
13.
15.
17.
19.
21.
23.
25.
27.
29.
31.
33.
35.
37.
39.
41.
87.5%
1200 points
195 points
$1,069.50
$2,400
6.5%
192 hits
420 attempts
65%
$1,236
$142,000
4.5%
$7,230
$25,600
$1,742
$27,800
120 points
$4500
12.5%
7.5%
$13.50
2.
4.
6.
8.
10.
12.
14.
16.
18.
20.
22.
24.
26.
28.
30.
32.
34.
36.
38.
40.
42.
84 points
85%
600 points
$1,840
$7,800
7.5%
625 at bats
486 free throws
35%
$2,362.50
$66,400
5.8%
$258,000
$1,920
$2,410
$52,500
150 points
$6500
6.5%
2.5%
$68
Chapter 5 Review Exercises
1.
3.
5.
7.
9.
66.5 miles per hour
$12.50 per foot
Both are the same.
38 nautical miles is faster
1.6 acres is cheaper
26
11. x =
9
14
13. z = !
3
15.
2.
4.
6.
8.
10.
$4.59 per pound
$32,000 per acre
10 rolls is cheaper
123 nautical miles is faster
205 miles is better mileage
21
12. y =
20
20
14. a = !
3
13
16. x =
2
x = !16
420
17. $718.75
19. $20,784.88
21. 580 miles
13
23.
20
9
25.
2
27. 3.6
29. 0.0078
18. 372 miles
20. 88 earned runs
22. 10 feet
6
24.
5
1
26.
250
28. 0.45
30. 0.006
2
32. 66 %
3
31. 87.5%
2
33. 266 %
3
35. 25.9%
37. 0.529%
39. 2.5%
41. 76%
43. 148.8
45. 364
47. 70%
49. 152
51. 120
53. 282
55. 260
57. 57.5%
59. 500
61. 552.5
63. 92.5%
65. $1,196.25
67. 250 attempts
69. $1,530
71. $15,600
73. $27,600
34. 525%
36.
38.
40.
42.
44.
46.
48.
50.
52.
54.
56.
58.
60.
62.
64.
66.
68.
70.
72.
74.
421
38%
400.75%
62.5%
95%
171.6
650
85%
2600
175%
36.45
400
37.5%
560
120
900 points
$12,600
500 attempts
3%
$1,839.25
12%