Apostrophe or Hyphen

Oops! ...Years Old Reading Apostrophe or Hyphen 1 minute Next Dependent Clauses
When there is a quantity, measurement, distance, value, amount that is expressed as a direct adjective (right in front of a noun) AND there is an "s" on the adjective, use an apostrophe "s" when it is singular and an "s" apostrophe when it is plural. ...one minute's delay ...five minutes' delay ...one week's vacation ...two weeks' vacation When there is no "s," use a hyphen. ...one-week vacation ...five-minute delay When there is an adjective rather than a noun after the combination, there is no apostrophe or hyphen. ...seven months pregnant ...one month long Happy punctuating! Margie