Question
Barbara bought a roll of cloth 647 cm long. She used 358 cm of it to cover a bookshelf and 218 cm to cover another smaller bookshelf. What was the length of the cloth she had left?
3 m

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Barbara bought a roll of cloth 647 cm long. She used 358 cm of it to cover a bookshelf and 218 cm to cover another smaller bookshelf. What was the length of the cloth she had left?