Question
Jenson tied some strings along a pole in a row at equal distance apart. The distance between the first and the fourth string was 9 m. The first string and the last string were tied 4 m away from each end of the pole. What was the length of the pole if she had tied 36 strings on it?
5 m

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Jenson tied some strings along a pole in a row at equal distance apart. The distance between the first and the fourth string was 9 m. The first string and the last string were tied 4 m away from each end of the pole. What was the length of the pole if she had tied 36 strings on it?