SOLUTION: Qus-51+52+53..,.,.+100=?

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Question 999837: Qus-51+52+53..,.,.+100=?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


First number plus the last number times the number of numbers divided by 2.

John

My calculator said it, I believe it, that settles it