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Anonymous Posted 17 years ago
Grammar

Hyphen

what is the difference between 20-year-old and 20-year old? which is correct?
  

Top answer

Anonymous what is the difference between 20-year-old and 20-year old? which is correct? It is a 20-year-old building.

— Yoong Liat

  • Anonymous what is the difference between 20-year-old and 20-year old?
  • which is correct?
  • It is a 20-year-old building.
  • (two hyphens are needed)
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1 Answers
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Anonymouswhat is the difference between 20-year-old and 20-year old? which is correct?

It is a 20-year-old building. (two hyphens are needed)
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