Question
Ribbon D is thrice as long as Ribbon E. Ribbon E is 28 cm shorter than Ribbon F. Ribbon F is 68 cm shorter than Ribbon D. How long is Ribbon E?
4 m

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Ribbon D is thrice as long as Ribbon E. Ribbon E is 28 cm shorter than Ribbon F. Ribbon F is 68 cm shorter than Ribbon D. How long is Ribbon E?