algebra
posted by drew .
Find S25 for (7) + (2) + 3 + 8 +...
A. 1,320
B. 1,325
C. 825
D. 820
I think A

I got 1325 or B)
Sum(25) = (25/2)( 14 + 24(5))
= (25/2)(106) = 1325
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