robinsontemiko8765 robinsontemiko8765
  • 23-02-2021
  • Mathematics
contestada

En la clase de matematicas hay un total de 50 alumnos han aprobado el 80% ¿Cuántos alumnos han reprovado

Respuesta :

fichoh
fichoh fichoh
  • 24-02-2021

Responder:

10

Explicación paso a paso:

Dado que:

Número total de estudiantes = 50

Porcentaje que pasó = 80%

Si pasó el 80%;

luego porcentaje que falló:

(100 - 80)% = 20%

Número que falló:

20% del total de estudiantes

0,2 * 50

= 10 estudiantes reprobaron

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