Question
The total length of 5 ribbons and 7 ropes is 264 cm. The length of a rope is 13 of the length of the ribbon. What is the total length of the 7 ropes?
4 m

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The total length of 5 ribbons and 7 ropes is 264 cm. The length of a rope is 13 of the length of the ribbon. What is the total length of the 7 ropes?