Nos is the correct answer .
it’s basically like saying “ they invited me and Ines to dinner”
Ok, if you are asking on how much it is,
Es Dos dolares. or en pesos, Es treintaiciete pesos.
or if you are asking like the adjetive, here are a few examples:
Es Bonito. or , Es feo. or, es asombroso!
if im wrong just tell me what i need to answer and i will tell you the answer in the comments below.
but i hope this is what you were looking for!