edwarxkalen edwarxkalen

26-01-2021
Mathematics

contestada

Maria tiene tres relojes. Uno suena cada 40 min, otro cada 45min, y el último suena cada hora. Si a las 9 de la mañana coinciden los tres, ¿cuánto trdarán en volver a coincidir por primera vez?

Respuesta :

arsene630 arsene630

26-01-2021

Answer:Volveran a coincidir a los 360 minutos = 6 horas

Step-by-step explanation:

Primero se obtiene el MCM del tiempo que transcurre cuando suenan...

40, 45, 60 / 2

20, 45, 30 / 2

10, 45, 15 / 2

5, 45, 15 / 3

5, 15, 5 / 3

5, 5, 5 / 5

1

Procedemos a multipicar todos los numeros obtenidos

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