Question

why is this correct hyphenation?Nurses work 12-hour shifts

Accepted Answer

12-hour is a single idea adjective that comes before a nounTwelve hours later, she was exhausted.# correct because twelves hours is not used as an adjective above

Front	why is this correct hyphenation? Nurses work 12-hour shifts
Back	12-hour is a single idea adjective that comes before a noun Twelve hours later, she was exhausted. # correct because twelves hours is not used as an adjective above

Correct 12 Hour Adjective Hours Hyphenation Nurses Work Shifts