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An auditorium has 21 rows of seats. The first row has 18 seats and each suceeding row has two more seats than the previous row. how many seats are in the auditorium?
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An auditorium has 21 rows of seats. The first row has 18 seats and each suceeding row has two more seats than the previous row. how many seats are in the auditorium?

User Yamu
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The answer is 798 seats.
User Dudo
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