Question
The total length of a rope, a string and a ribbon is 50.5 m. The ribbon is 13 m longer than the rope. The string is 3 times as long as the rope. Find the difference in length between the string and the ribbon.
4 m

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The total length of a rope, a string and a ribbon is 50.5 m. The ribbon is 13 m longer than the rope. The string is 3 times as long as the rope. Find the difference in length between the string and the ribbon.