Mathematics, 22.10.2020 03:01 MayFlowers

A theater has 20 rows of seats. If there are 12 seats in the 1st row, 16 seats in the 2nd row, 20 seats in the 3rd row, and so on, how many seats are there in the last row?

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A theater has 20 rows of seats. If there are 12 seats in the 1st row, 16 seats in the 2nd row, 20 se...

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