SOLUTION: i need help to find the sum 101+102+103+...+500

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Question 703689: i need help to find the sum 101+102+103+...+500
Answer by nshah11(47) About Me  (Show Source):
You can put this solution on YOUR website!
This sum follows an arithmetic sequence since it has a common difference of 1 throughout.
Sum = (500 - 101 + 1)/2 * (101 + 500)
= 120,200