Mathematics, 22.07.2019 09:40 abbymoses3

The first row of an auditorium has 42 seats. each row after the first has 3 more seats than the row before it. how many seats are in row 25? which row has 90 seats?

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The first row of an auditorium has 42 seats. each row after the first has 3 more seats than the row...

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