Question
The total length of a string, a thread and a rope is 54.6 m. The rope is 9 m longer than the string. The thread is 4 times as long as the string. Find the difference in length between the thread and the rope.
4 m

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The total length of a string, a thread and a rope is 54.6 m. The rope is 9 m longer than the string. The thread is 4 times as long as the string. Find the difference in length between the thread and the rope.