Question
Bobby cycled from the library to the bank at 130 m/min. His sister cycled from the bank to the library at 75 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Bobby reached the library, his sister was 770 m from the bank. What was the distance between the library and the bank? Express your answer in m.
4 m

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Bobby cycled from the library to the bank at 130 m/min. His sister cycled from the bank to the library at 75 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Bobby reached the library, his sister was 770 m from the bank. What was the distance between the library and the bank? Express your answer in m.