Question
A piece of ribbon 640 cm long is cut into 3 pieces C, D and E. D is 58 cm longer than E but 68 cm shorter than C. What is the length of C?
4 m

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A piece of ribbon 640 cm long is cut into 3 pieces C, D and E. D is 58 cm longer than E but 68 cm shorter than C. What is the length of C?