SOLUTION: what is the sum of the first 110 positive even integers?

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Question 404802: what is the sum of the first 110 positive even integers?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what is the sum of the first 110 positive even integers?
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2+4+6+...+220
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This is an arithmetic series with a(1)=2,
d = 2, n = 110
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Sum = (110/2)(2+220)
= 55*224
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= 12320
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Cheers,
Stan H.
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