 
<translate> Yana daukan 3 * 20 = minti 60 don tsabtace ɗakin kwana. Saboda haka 60 / 60 = 1 awa. Gidan wanka yana ɗaukar awa 1 * 2 = awa 2. Don haka duk a ciki yana ɗaukar 1 + 1 + 2 = 4 hours. A waje yana ɗaukar 4 * 2 = 8 hours. Saboda haka, aikin gida yana ɗaukan sa'o'i 4 + 8 = 12. Ya raba shi 1 + 2 = 3 hanyoyi. Saboda haka yana aiki 12/3 = 4 hours. Amsar ita ce 4. <eng> It takes 3 * 20 = 60 minutes to clean the living room. So it is 60 / 60 = 1 hour. The bathroom takes 1 * 2 = 2 hours. So all together the inside takes 1 + 1 + 2 = 4 hours. The outside takes 4 * 2 = 8 hours. So the chores take 4 + 8 = 12 hours. He splits it 1 + 2 = 3 ways. So he works 12 / 3 = 4 hours. So the answer is 4. 