February 20, 2017

Homework Help: math- Algebra 2

Posted by Anonymous on Sunday, November 1, 2009 at 12:19pm.

An auditorium has 49 rows of seats. The first row contains 40 seats. As you move to the rear of the auditorium, each row has 3 more seats than the previous row.

* I am pretty sure it involves both arithmetic series and explicit formulas but im not sure exactly how to go about it

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