Question
Peter had a piece of thread measured 9 m 28 cm long. He used 145 cm and gave some of it to his niece. He found that he had 2 m 73 cm of thread left. What was the length of thread Peter gave to his niece? (Leave the answer in metres and centimetres.)
3 m

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Peter had a piece of thread measured 9 m 28 cm long. He used 145 cm and gave some of it to his niece. He found that he had 2 m 73 cm of thread left. What was the length of thread Peter gave to his niece? (Leave the answer in metres and centimetres.)