[He does wonder, but he doesn't ask. If Eren wanted to tell him, he would. As for being hungry... he doesn't recall ever saying he was hungry, but if Eren wants to get food he'll happily show him the way.]

Aye, I know where to go.

[He pauses and starts fiddling with his watch. After a moment a few locations are displayed on the screen, and he turns a couple of times to orient himself before catching up with Eren.]

Up ahead. The closest restaurant sells burgers! Is that suitable?