SOLUTION: Find the sum of all odd integers between 28 and 232.
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Question 1057961: Find the sum of all odd integers between 28 and 232.
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the sum of all odd integers between 28 and 232.
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29 to 231 inclusive --> (231 - 29)/2 + 1 = 102 numbers
--> 51 pairs:
29 + 231 = 260
31 + 229 = 260
etc
51*260 = 13260
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The sum of the odd integers from 1 to n
is
The k_th odd integer is
then
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The sum of the odd integers from 1 to 232 is
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The sum of the odd integers from 1 to 28 is:
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The sum of the odd intgers between 28 and 232 is
answer
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