8franco929 8franco929
  • 18-01-2024
  • Mathematics
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Un examen de 120 preguntas, cada respuesta correcta vale 4 puntos , la incorrecta 1 punto menos y en blanco cero puntos . Si un estudiante obtuvo 90 puntos y notó que por cada respuesta en blanco tenía 4 correctas ,¿ cuántas preguntas correctas contestó incorrectamente

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