Question
Some lamp posts are placed along a street at equal distances.
The distance between the 1st and the 8th lamp post is 3.15 m.
What is the distance between the 1st and the 5th lamp post?
3 m

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Some lamp posts are placed along a street at equal distances.
The distance between the 1st and the 8th lamp post is 3.15 m.
What is the distance between the 1st and the 5th lamp post?