Yahweh continues to speak about Jerusalem as if the city were his unfaithful wife. The city represents the people who live there. (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-metonymy]])
In these ancient pagan sacrifices, the people believed that the gods would eat the food that they offered to them. This can be stated in active form. Alternate translation: "you sacrificed them to the images so that those images could devour them as food" (See: [[rc://en/ta/man/translate/figs-explicit]] and [[rc://en/ta/man/translate/figs-activepassive]])
Yahweh asks this rhetorical question to emphasize that the woman is acting as if her prostitution was not bad enough and so she decided to sacrifice her children, as well. This can be translated as a statement. Alternate translation: "You must think that your acts of prostitution are a small matter, and so you slaughtered" (See: [[rc://en/ta/man/translate/figs-rquestion]])