1) There are 25 rows of seats on a concert hall: 25 seats are in the 1st row, 28 seats on the 2nd row, 31 seats on the 3rd row, and so on. How many seat are in the 18th row?

1) There are 25 rows of seats on a concert hall: 25 seats are in the 1st row, 28 seats on the 2nd row, 31 seats on the 3rd row, and so on. How many seat are in the 18th row?

asked Jul 19, 2020 194k views

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