Question
Japheth cycled from the museum to the grocery store at 141 m/min. His sister cycled from the grocery store to the museum at 111 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Japheth reached the museum, his sister was 420 m from the grocery store. What was the distance between the museum and the grocery store? Express your answer in m.
4 m

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Japheth cycled from the museum to the grocery store at 141 m/min. His sister cycled from the grocery store to the museum at 111 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Japheth reached the museum, his sister was 420 m from the grocery store. What was the distance between the museum and the grocery store? Express your answer in m.