quince (pronounce kin-the)
"Yo tengo 15 años"
quince keen-say
15
seis quince is the answer
To say "he is fifteen" in Spanish, you would say "él tiene quince años." Literally, this means "he has fifteen years." That may seem a little odd to English speakers, but that is how a person's age is described in Spanish.
Tienes quince años.
El quince de Mayo.
Las cinco y quince en la noche. Las cinco y cuarto en la noche.
It is "15 de noviembre." (El quince de noviembre) (Month names are not capitalized in Spanish.)
You would say "Teresa tiene quince años."
Quince, pronounced keen-say.
agosto quince