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Mathematics, 11.12.2021 02:30 jamaiciaw6

En un grupo hay 25 hombres y 15 mujeres. El promedio de edad de los hombres es de 20 años y el promedio de
edad de las mujeres es un 20% menos que el de los
hombres. El promedio del grupo es

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En un grupo hay 25 hombres y 15 mujeres. El promedio de edad de los hombres es de 20 años y el pro...
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