Question
Carl had a piece of thread measured 7 m 75 cm long. He used 155 cm and gave some of it to his best friend. He found that he had 2 m 17 cm of thread left. What was the length of thread Carl gave to his best friend? (Leave the answer in metres and centimetres.)
3 m

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Carl had a piece of thread measured 7 m 75 cm long. He used 155 cm and gave some of it to his best friend. He found that he had 2 m 17 cm of thread left. What was the length of thread Carl gave to his best friend? (Leave the answer in metres and centimetres.)