Only 'fifteen' (of them) showed up on time.
Their boat finished 'fifteenth'.
one 'fifteenth' of the total
(..) to the fortress of Vector-tude! Do you have my cookies for me? Four boxes of mini-mints, two toffee totes, two caramel clumpies and fifteen boxes of coco-nutties. Exactly. I'd like to see somebody else order that many cookies. Not likely. Name one person who ordered more cookies than me. (..)2010 Despicable Me