Question
The distance between Esther's home and the salon is 540 m. After walking a distance from her home to the salon, she stopped and walked 80 m back to a bistro. If the bistro is 210 m away from the salon, how far had she walked before she stopped and walked back?
4 m

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The distance between Esther's home and the salon is 540 m. After walking a distance from her home to the salon, she stopped and walked 80 m back to a bistro. If the bistro is 210 m away from the salon, how far had she walked before she stopped and walked back?