The inference shows that Billy father says they can't stay with grandpa and grandma cook because he and Billy's mother are getting divorced.
It should be noted that an inference simply means the conclusion that can be deduced based on the information given in a literary work or story.
In this case, Billy father says they can't stay with grandpa and grandma cook because he and Billy's mother are getting divorced.
Learn more about inference on:
https://brainly.com/question/25280941