He has fifteen workers in his employ.
Fifteen separate republics comprised the Soviet Union.
I caught six trout in fifteen minutes.
Most students in this class are fifteen.
The average age of the boys in this class is fifteen.
She was only fifteen and in the circumstance the policemen let her off with a warning.
After working for fifteen hours I began to tire.
She is fifteen.
the cardinal number that is the sum of fourteen and one
being one more than fourteen