Question
The distance between Ivan's home and the temple is 700 m. After walking 340 m from his home to the temple, he stopped and walked back to a school. If the school is 190 m away from the temple, what was the distance he walked back?
4 m

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The distance between Ivan's home and the temple is 700 m. After walking 340 m from his home to the temple, he stopped and walked back to a school. If the school is 190 m away from the temple, what was the distance he walked back?