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Mathematics, 07.05.2021 01:10, majesticfart7736
11. In an artistic event it is observed that the seats in a room
have been placed in a total of 20 rows: 20 in the first, 24
in the second, 28 in the third, so on until the row
ten, and from the next row on they all have 30 seats.
Determine how much was raised if fully booked and charged
20 soles the entrance.
A) 18000 B) 22000 C) 24000 D) 26000 E) 28000
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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11. In an artistic event it is observed that the seats in a room
have been placed in a total of 20...
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