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Mathematics, 07.05.2021 01:00 missdaisy789

11. En un evento artístico se observa que los asientos de un salón han sido colocados en un total de 20 filas: 20 en la primera, 24
en la segunda, 28 en la tercera, así sucesivamente hasta la fila
diez, y de la fila siguiente en adelante todas tienen 30 asientos.
Determine cuánto se recaudó si está totalmente lleno y se cobró
20 soles la entrada.
A) 18000 B) 22000 C) 24000 D) 26000 E) 28000

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11. En un evento artístico se observa que los asientos de un salón han sido colocados en un total...
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