posted by lily .
jada baked 4 trays of cookies with a dozen on each tray. she and her brother ate 6 of the cookies while they were still warm.
otis baked 4 trays of cookies . he started with one dozen on each tray then his mom removed 6 cookies from each tray to send to otis's grandmother
which number model wporks for the following paragraphs above.
plzzzzzz help me