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Acertijo 18

9 by January by 2018

Para llenar de agua una piscina hay tres surtidores. El primer surtidor tarda 30 horas en llenarla, el segundo tarda 40 horas y el tercero tarda cinco días. Si los tres surtidores se conectan juntos, ¿cuanto tiempo tardará la piscina en llenarse?

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4 COMMENTS

Lucky - 9 by January by 2018, 15:51

30 horas.

humano - 9 by January by 2018, 16:31

15 horas

violetspring - 9 by January by 2018, 17:01

cuál es la respuesta

Kimi R - 10 by January by 2018, 19:33

Tardaría 15 horas

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Acertijo 18

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