Three pieces of 6 in each were cut from a 20 m long tape. How long is the remaining tape?

univerkov | December 16, 2020 | education

To find the answer conveniently, you need to translate dm and m into centimeters.
6 dm = 60 cm
20 m = 2000 cm.
1) 60 * 3 = 180 (cm) – cut from the tape.
2) 2000-180 = 1820 (cm) – the length of the remaining tape.
3) 1820cm = 18.2 m.
Answer: 18.2 m

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