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Mathematics, 26.02.2021 17:50 lberman2005p77lfi

El promedio que usted ha obtenido en todos sus exámenes es 75. EL instructor indica que su promedio final será igual a dos tercios del promedio de los exámenes, mas un tercio de la calificación del examen final. ¿Qué calificación necesita usted obtener en el examen final para que su promedio al finalizar el semestre sea 80?

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