Catie Holdridge
Posts 6
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Hello Mike
It's 15 years' experience and two weeks' notice.
To work these things out, just ask yourself how you would write it in a different order: it is the experience of 15 years, not 15 year. But of course, if you had only served a fifteenth of the time in said employment, you would have the experience of one year; therefore, one year's experience. Imagine the apostrophe (or apostrophe plus the letter 's') standing in for the word 'of'.
Hope that helps. For more on the apostrophe (hopefully no longer quite so dreaded!), have a look at http://www.writing-skills.com/resources/e-bulletin/article/246/whose-apostrophe.
Catie
edited by Catie Holdridge on 22/10/2009
edited by Catie Holdridge on 25/10/2009
edited by Catie Holdridge on 25/10/2009
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