Because that is how long the teachers need to teach Hope Funky Monkey Helped! :)
15+15+15+15=60
Fifteen.
fifteen and sixty-two thousandths
Fifteen is not a compound word.
Fifteen feet is fifteen feet long.
for life. it is passed on to generations, to generations
the version i have is fifteen minutes long
Generations vary, but 14 is a long time. My 14th Great grandfather, which is 16 generations back, was born in 1620. That averages 26 years a generation. That is over 300 years for 14 generations.
About fifteen feet.
about fifteen years
Fifteen years.
french and Indian
Five to fifteen seconds
several generations
several generations
several generations