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12-04-2024
Mathematics

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90 S 5. De 320 personas; adultos, jóvenes y niños sobre su preferencia de los productos A.B C, se tiene que 110 prefieren By 95 , C. de los 130 jóvenes, 58 prefieren B; y de todos los adultos, 17 prefieren A y 46, C. ¿Cuántos niños prefieren C?

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