Question
The distance between Neave's home and the salon is 680 m. After walking 290 m from his home to the salon, he stopped and walked back to a museum. If the museum is 170 m away from the salon, what was the distance he walked back?
4 m

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The distance between Neave's home and the salon is 680 m. After walking 290 m from his home to the salon, he stopped and walked back to a museum. If the museum is 170 m away from the salon, what was the distance he walked back?