SOLUTION: Find the sum of the first 25 terms of: 32,28,24,20...

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Question 1197510: Find the sum of the first 25 terms of: 32,28,24,20...
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Each term n is 32-4%28n-1%29.


First term, 32.
Twenty-fifth term, 32-4%2825-1%29=32-96=-64,

Sum of these term,
%2825%2F2%29%2832%2B%28-64%29%29

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