valeriechateau8 valeriechateau8
  • 15-05-2017
  • Mathematics
contestada

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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zamira24
zamira24 zamira24
  • 15-05-2017
The answer is 798 seats.
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