Question
Emma was given a piece of wire of length 10 m 70 cm. She used a part of it to tie 7 curtains and 4 m 20 cm of the remaining length to decorate her room. Given that each curtain needed 30 cm, what was the length of the wire that was left behind by Emma? (Leave the answer in metres and centimetres.)
4 m

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Emma was given a piece of wire of length 10 m 70 cm. She used a part of it to tie 7 curtains and 4 m 20 cm of the remaining length to decorate her room. Given that each curtain needed 30 cm, what was the length of the wire that was left behind by Emma? (Leave the answer in metres and centimetres.)