A rope is 50 m long. A piece of 18m 40cm is cut from it. What is the length of the remaining rope?

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• A 31m 60cm
• B 32m 70cm
• C 31m 70cm
• D 32m 60cm

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Answer: A. 31m 60cm

Convert to centimetres: 50 m = 5000 cm and 18 m 40 cm = 1840 cm. 5000 - 1840 = 3160 cm = 31 m 60 cm.

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