Question
Perry tied some streamers along a rod in a row at equal distance apart. The distance between the first and the fourth streamer was 9 m. The first streamer and the last streamer were tied 4 m away from each end of the rod. What was the length of the rod if she had tied 25 streamers on it?
5 m

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Perry tied some streamers along a rod in a row at equal distance apart. The distance between the first and the fourth streamer was 9 m. The first streamer and the last streamer were tied 4 m away from each end of the rod. What was the length of the rod if she had tied 25 streamers on it?