Hi! For number 2 would that be just a punctuation error because I didn't include the hyphen? Do I need a hyphen for number 3? Thanks, Fulvio
1. There is a twenty-minute delay.
2. There is a twenty minute delay.
3. There is a 20 minute delay.
Yes: "twenty-minute" is a compound adjective and hence should be hyphenated. Same applies to the less acceptable "20-minute".
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Yes: "twenty-minute" is a compound adjective and hence should be hyphenated.
Same applies to the less acceptable "20-minute".