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Ben and Sadie are doing a sponsored walk around a circuit.
Ben takes 25 minutes to do one circuit and Sadie takes 45 minutes.
They start together at 9:30 am.
When will they next cross the start line together?​

Respuesta :

2happy2feet

Answer:

25=52 and 45 = 5•32  

The least common multiple has to be 52•32 = 9 times 25 = 225 minutes, which is 3 hours + 45 minutes.

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