Question
Tables are placed at an equal distance from one another along the hallway. The distance between the 8th and the 16th table is 7 m. What is the distance between the 1st and the 16th table?
4 m

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Tables are placed at an equal distance from one another along the hallway. The distance between the 8th and the 16th table is 7 m. What is the distance between the 1st and the 16th table?