Question
The length of a wire is 30 m longer than a ribbon. The length of a string is 26 m shorter than the wire. The total length of the wire, the string and the ribbon is 49 m. What is the length of the wire?
4 m

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The length of a wire is 30 m longer than a ribbon. The length of a string is 26 m shorter than the wire. The total length of the wire, the string and the ribbon is 49 m. What is the length of the wire?