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Mathematics 7 Online
OpenStudy (anonymous):

helloooooo

OpenStudy (callisto):

what is the question?

OpenStudy (vishal_kothari):

ask the question?

OpenStudy (anonymous):

For which value of n would the sum of the series be equal to 1491? A) n = 15 B) n = 19 C) n = 21 D) n = 27

OpenStudy (anonymous):

\[\sum(7i-6)\]

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