Question
Tammy was given a piece of thread of length 7 m 60 cm. She used a part of it to tie 8 curtains and 2 m 50 cm of the remaining length to decorate her room. Given that each curtain needed 45 cm, what was the length of the thread that was left behind by Tammy? (Leave the answer in metres and centimetres.)
4 m

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Tammy was given a piece of thread of length 7 m 60 cm. She used a part of it to tie 8 curtains and 2 m 50 cm of the remaining length to decorate her room. Given that each curtain needed 45 cm, what was the length of the thread that was left behind by Tammy? (Leave the answer in metres and centimetres.)