Question
Michael cycled from the library to the bistro at 139 m/min. His sister cycled from the bistro to the library at 100 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Michael reached the library, his sister was 858 m from the bistro. What was the distance between the library and the bistro? Express your answer in m.
4 m

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Michael cycled from the library to the bistro at 139 m/min. His sister cycled from the bistro to the library at 100 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Michael reached the library, his sister was 858 m from the bistro. What was the distance between the library and the bistro? Express your answer in m.