Question
Chairs are arranged at an equal distance from one another. The distance between the 1st and the 2nd chair is 7 m. What is the distance between the 3rd and the 15th chair?
4 m

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Chairs are arranged at an equal distance from one another. The distance between the 1st and the 2nd chair is 7 m. What is the distance between the 3rd and the 15th chair?