Mathematics
Mathematics, 06.05.2021 21:20, Ancelingabaut

The first row of a section in a concert hall has 20 seats. Each row thereafter has one more seat in it than the row before it. If there are a tot of 16 rows, what is the seating capacity of the concert hall?

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The first row of a section in a concert hall has 20 seats. Each row thereafter has one more seat in...

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