Question
Tables are placed at an equal distance from one another along the hallway. The distance between the 19th and the 38th table is 31 m. What is the distance between the 1st and the 38th table?
4 m

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Tables are placed at an equal distance from one another along the hallway. The distance between the 19th and the 38th table is 31 m. What is the distance between the 1st and the 38th table?