Question
Ribbon U is thrice as long as Ribbon V. Ribbon V is 42 cm shorter than Ribbon W. Ribbon W is 68 cm shorter than Ribbon U. How long is Ribbon V?
4 m

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Ribbon U is thrice as long as Ribbon V. Ribbon V is 42 cm shorter than Ribbon W. Ribbon W is 68 cm shorter than Ribbon U. How long is Ribbon V?