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Mathematics 10 Online
OpenStudy (anonymous):

Find the sum 3+7+11....+43 I got 207? Is that right?

OpenStudy (rogue):

I got 253. There are 11 terms, each 2 terms add up to 46. So 5.5 * 46 = 253.

OpenStudy (anonymous):

Rogue is right.

OpenStudy (anonymous):

I got 253 the second time, thanks!

OpenStudy (anonymous):

253

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