Mathematics, 13.09.2021 21:40 ghernadez
En un salón de clase, antes del recreo el número de hombres es al número de mujeres como 8 es a 7. Si después del recreo, hay 6 hombres y 9 mujeres menos, con lo cual la razón de hombres a mujeres es 5/4, hallar cuántas mujeres había antes del recreo.
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En un salón de clase, antes del recreo el número de hombres es al número de mujeres como 8 es a 7. S...
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