Question
Some girls are standing in a row an equal distance from one another. The distance between the 5th and the 10th girl is 45 m. What is the distance between the 7th and the 20th girl?
4 m

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Some girls are standing in a row an equal distance from one another. The distance between the 5th and the 10th girl is 45 m. What is the distance between the 7th and the 20th girl?