Question
The total length of a wire, a ribbon and a rope is 31.4 m. The rope is 3 m longer than the wire. The ribbon is 2 times as long as the wire. Find the difference in length between the ribbon and the rope.
4 m

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The total length of a wire, a ribbon and a rope is 31.4 m. The rope is 3 m longer than the wire. The ribbon is 2 times as long as the wire. Find the difference in length between the ribbon and the rope.