Question
The length of a thread is 43 m longer than a string. The length of a wire is 11 m shorter than the thread. The total length of the thread, the wire and the string is 90 m. What is the length of the thread?
4 m

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The length of a thread is 43 m longer than a string. The length of a wire is 11 m shorter than the thread. The total length of the thread, the wire and the string is 90 m. What is the length of the thread?