Question

Is "de nada" an appropriate response to
both "gracias" and "muchas gracias?"

Answer 1

Yes, “de nada” is an appropriate response to both because it means “you’re welcome” in the English language.

Answer 2

Yes

Step-by-step explanation:

De nada means "you're welcome" in English, which is an appropriate response to both "thank you" (gracias) and "thanks a lot" (muchas gracias)