Question
Shiyun had 200 cm of ribbon. She used 170 cm of it to tie a present. She cut the rest of the ribbon equally into 6 shorter pieces. How long was each shorter piece of ribbon?
4 m

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Shiyun had 200 cm of ribbon. She used 170 cm of it to tie a present. She cut the rest of the ribbon equally into 6 shorter pieces. How long was each shorter piece of ribbon?