Question
Mr. George planted 7 trees in a row for his garden. The distance between each tree and the next was equal for all the trees. The distance between the first tree and the third tree was 20 m, what was the distance between the first tree and the seventh tree?
4 m

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Mr. George planted 7 trees in a row for his garden. The distance between each tree and the next was equal for all the trees. The distance between the first tree and the third tree was 20 m, what was the distance between the first tree and the seventh tree?