Question
Rael had a piece of thread measured 6 m 34 cm long. He used 178 cm and gave some of it to his father. He found that he had 1 m 64 cm of thread left. What was the length of thread Rael gave to his father? (Leave the answer in metres and centimetres.)
3 m

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Rael had a piece of thread measured 6 m 34 cm long. He used 178 cm and gave some of it to his father. He found that he had 1 m 64 cm of thread left. What was the length of thread Rael gave to his father? (Leave the answer in metres and centimetres.)