Question
Penelope bought a roll of cloth 643 cm long. She used 352 cm of it to cover a desk and 223 cm to cover another smaller desk. What was the length of the cloth she had left?
3 m

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Penelope bought a roll of cloth 643 cm long. She used 352 cm of it to cover a desk and 223 cm to cover another smaller desk. What was the length of the cloth she had left?