right abbreviation for minutes, hours : mins,hrs OR min,hr?
What is the right abbreviation for minutes, hours?
mins,hrs OR min,hr
Is there a difference between tenses : Adjective and nouns?
ex) This is a [30-min/30-mins] class.
It will take [30 min/30 mins].
This is a [2-hr/2-hrs] class.
It will take [2 hr/2 hrs].