Question
A piece of ribbon 490 cm long is cut into 3 pieces X, Y and Z. Y is 78 cm longer than Z but 58 cm shorter than X. What is the length of X?
4 m

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A piece of ribbon 490 cm long is cut into 3 pieces X, Y and Z. Y is 78 cm longer than Z but 58 cm shorter than X. What is the length of X?