Vocabulary and everyday expressions| Vocabolario ed espressioni quotidiane

Anna: "How much does it cost?"
Pietro: "2,50 €"

Which is the correct form in Italian? Choose between the following options:

Anna: "Quanto costa?" / Pietro: "Due euro e cinquanta".

Anna: "Quanti sono?" / Pietro: "Due e cinquanta euro".

Anna: "Quanto costa?" / Pietro: "Due euro cinquanta".

Among the following groups of words, which one is related to the face?

"Come vai al lavoro?"
"How do you go to work?"

Choose the WRONG answer:

It's 9 a.m. How do we greet?