Mathematics, 10.11.2020 22:40 dbyram3913

There are 20 rows of seats in a concert hall: 25 seats are in the 1st row, 27 seats in the 2nd row, 29 seats in the 3rd row, and so on. How many seats are in the 19th row?

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There are 20 rows of seats in a concert hall: 25 seats are in the 1st row, 27 seats in the 2nd row,...

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