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Mathematics, 09.07.2021 21:40 smeeden

Manuel y Sara recorren cierta distancia, y los tiempos que emplean están en la razón 21 / 15 . La velocidad de Manuel es de 56km/h. ¿Cuál es la velocidad de Sara?

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Manuel y Sara recorren cierta distancia, y los tiempos que emplean están en la razón 21 / 15 . La ve...
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