Question
The distance between Wesley's home and the cafe is 680 m. After walking 340 m from his home to the cafe, he stopped and walked back to a school. If the school is 170 m away from the cafe, what was the distance he walked back?
4 m

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The distance between Wesley's home and the cafe is 680 m. After walking 340 m from his home to the cafe, he stopped and walked back to a school. If the school is 170 m away from the cafe, what was the distance he walked back?