Question
David cycled from the boutique to the mosque at 108 m/min. His brother cycled from the mosque to the boutique at 101 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When David reached the boutique, his brother was 644 m from the mosque. What was the distance between the boutique and the mosque? Express your answer in m.
4 m

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David cycled from the boutique to the mosque at 108 m/min. His brother cycled from the mosque to the boutique at 101 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When David reached the boutique, his brother was 644 m from the mosque. What was the distance between the boutique and the mosque? Express your answer in m.