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Sagot :
Usando proporciones, hay que habían 188 entradas en el total.
¿Qué es una proporción?
Una proporción es una fracción de la cantidad total.
En este problema, hay que dos quintos de el total de entradas n restanban, e la cantidad equivalente a esta proporción es de 75 entradas, o sea:
[tex]\frac{2}{5}n = 75[/tex]
[tex]n = \frac{75 \times 5}{2}[/tex]
[tex]n = 188[/tex]
Habían 188 entradas en el total.
Puede-se aprender más a cerca de proporciones en brainly.com/question/26395519
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