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Mathematics, 14.09.2021 14:00 PatienceJoy

Un deportista de atletismo de alto rendimiento pudo determinar que por cada día de entrenamiento disminuye un segundo en su registro personal. Su marca actual es de 9 minutos. Para poder participar en los Juegos Olímpicos de Brasil 2016, requiere bajar su registro a los dos tercios de su marca actual. ¿Cuántos días requiere entrenar para poder participar en los Juegos Olímpicos de Brasil 2016?
a. 360 días
b. 120 días
c. 60 dias
d. 180 días

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