37
37.8
39
39.8
D. 39.8
40
35
45
55
35.5
37.5
38.5
40.5
15.5
15
16
Cant be computed
36.5 km/hr
37.5 km/hr
35.5 km/hr
34.5 km/hr
33.25
32.25
34.25
34.50
9
11
13
15
35
45
55
65
70
75
80
85
x = y + z
2x = y + z
x = 2y + z
x = y + 2z
40
41
42
43
280
285
290
295
470
468
465
463
37
37.8
39
39.8
25
27
29
31
55
56
57
58
70
76
78
80
45
50
55
60
50
55
60
65
36
37
38
39
0
1
5
9
54.48
54.68
54.60
54.58
15
20
25
30