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Problem
Problem
Find the sum of: a.
5
+
8
+
11
+
14
+
⋯
+
101
5 + 8 + 11 + 14 + \dots + 101
5
+
8
+
11
+
14
+
⋯
+
101
b.
37
+
33
+
29
+
25
+
⋯
+
9
37 + 33 + 29 + 25 + \dots + 9
37
+
33
+
29
+
25
+
⋯
+
9
c.
50
+
49
1
2
+
49
+
48
1
2
+
⋯
+
(
−
20
)
50 + 49\frac{1}{2} + 49 + 48\frac{1}{2} + \dots + (-20)
50
+
49
2
1
+
49
+
48
2
1
+
⋯
+
(
−
20
)
d.
8
+
10
1
2
+
13
+
15
1
2
+
⋯
+
83
8 + 10\frac{1}{2} + 13 + 15\frac{1}{2} + \dots + 83
8
+
10
2
1
+
13
+
15
2
1
+
⋯
+
83
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