take a french class or write it down in french or kiss her or he
quel âge avez-vous?
How old are you? = Quel âge avez-vous?
"How old are your twin daughters?" would be translated in French "quel âge ont tes jumelles ?"
ask one of her/his friend or ask one of your friend to ask her/him.
"Quel âge as-tu ?" (if you're talking to a friend) or "Quel âge avez-vous ?" (polite form).
a riba derchi lol
Vieil ami
qu'est ce que tu fais
Demandez à votre ami(e)
you ask him.
Quel age as tu?
quel âge as-tu (quite correct)quel âge tu as (not grammatically perfect but much more in use)