Question
The total length of a wire, a rope and a streamer is 31.2 m. The streamer is 4 m longer than the wire. The rope is 2 times as long as the wire. Find the difference in length between the rope and the streamer.
4 m

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The total length of a wire, a rope and a streamer is 31.2 m. The streamer is 4 m longer than the wire. The rope is 2 times as long as the wire. Find the difference in length between the rope and the streamer.