Mathematics, 26.08.2020 22:01 tiffanyrhoda
Un barco cuya velocidad es de 15 km / h en aguas tranquilas recorre 30 km río abajo y regresa en un total de 4 horas y 30 minutos. La velocidad de la corriente es de ___ km / h. Escriba su respuesta a continuación.
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Un barco cuya velocidad es de 15 km / h en aguas tranquilas recorre 30 km río abajo y regresa en un...
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