It means how old are you? The literal translation is how many years do you have.
The phrase "entonces tu cuántos años tienes tú" translates to "so, how old are you?" in English.
Tengo [insert age] años. ¿En qué más puedo ayudarte?
"How old is your grandmother?"
Cuantos años tienes tu, Paco
How old is your uncle? ('tio' could also mean 'bloke, fellow')
Gibberish. Tu cuantos = Your how many Tú cuantos = You how many
Lo siento, ¿podrías reformular tu pregunta? No está claro a qué te refieres con "cuantos años somos".
¿Qué es tu edad? More commonly, ¿Cuantos años tienes?
You spelled años wrong. The way you spelled means anus(butthole). What you asked means How many buttholes do you have?
Cuantos hermanas y hermanos tu tiene? o (or) Cuantos Hermanos tu tienes? (this for plurality sake or in general context) same as "Your Parents" as "Tus Padres" o "Tu tata y nana"
You have.
"Cuantos anos tienes?" literally means "How many years do you have?" in Spanish. Basically, they are asking "How old are you?" To answer this, you would say "Tengo (how ever many years old you are) anos." For example, if you are seven. You would say, "Tengo siete anos." This literally means "I have seven years," but basically means "I am seven years old."