Answer: hi! im argentinian, gonna try to help you and i hope you can understand me (my inglish is not very good)
Explanation: well, in the case of "y vos, ¿cómo estás?" You can also use the "¿y vos, cómo andás?" (the literal meaning of "andás" is "you walk" but in this sentence it replaces the verb to be, so you must answer how you feel
, sometimes it happens that some tourists answer this question by saying "with their feet" which creates quite funny situations.
in the case of ¿De dónde sos? It is generally said that way, but in some cases they can also ask you with a, "De dónde venis?"
= (Where are you from?)
