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Mathematics, 15.07.2021 18:00 mckinneypaige9544

Cuando Manuel se graduó de la universidad, había tomado 40 cursos en los que obtuvo calificaciones de A, B y C. Su promedio final fue de 3.125. Su promedio solo en los cursos en los recibió calificaciones de A y B fue 3.8. Suponga que las calificaciones A, B y C corresponden a 4 puntos, 3 puntos y 2 puntos respectivamente. Determina la cantidad de cursos en los que Manuel obtuvo calificaciones A, B y C respectivamente.

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