Question
16 pupils are standing in a row at an equal distance from one another. The distance between the 1st and the 8th pupil is 42 m. How far apart is the 1st pupil and the last pupil?
4 m

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16 pupils are standing in a row at an equal distance from one another. The distance between the 1st and the 8th pupil is 42 m. How far apart is the 1st pupil and the last pupil?