Question
The total length of 7 ribbons and 7 strings is 294 cm. The length of a string is 12 of the length of the ribbon. What is the total length of the 7 strings?
4 m

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The total length of 7 ribbons and 7 strings is 294 cm. The length of a string is 12 of the length of the ribbon. What is the total length of the 7 strings?