they meet and decide how to take care of the common arears

-그들은 만나서 공용공간을 돌보는것을 결정한다

they also decide how often they will eat together

-그들은 얼마나 자주 함께먹을것인지를 결정한다

맞나요..1번은 도저히 뭔소린지 ㅠㅠ