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Mathematics, 16.04.2021 17:10 kayolaaaa53

The side section of an auditorium has 12 seats in the first row and 3 additional seats in each subsequent row. How many seats are in the 10th row? How many seats in total are in the first 10 rows?​

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The side section of an auditorium has 12 seats in the first row and 3 additional seats in each subse...
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