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Mathematics, 14.12.2020 16:20 nschavez123

Se encuestó a 120 estudiantes sobre su música preferida. Los resultados fueron: 40 prefieren rock, 25 solo electrónica 45 salsa y 8 los 3 tipos de música . Además 30 escuchan rock y electrónica , 21 electrónica y salsa y 12 rock y salsa. Cuantos escuchan salsa? Cuantos escuchan rock? Cuantos escuchan por lo menos dos tipos de música? cuántos no escuchan ni rock ni salsa? denurgencia Cuantos estudiantes no escuchan ninguno de los 3 tipos de música?

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Se encuestó a 120 estudiantes sobre su música preferida. Los resultados fueron: 40 prefieren rock, 2...
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