 
<translate> Carol rere tiketi 960 / 4 = 240 n'ime ụbọchị atọ. N'ihi ya, n'otu ụbọchị, o rere ihe dị ka tiketi 240 / 3 = 80. N'ihi ya, azịza ya bụ 80. <eng> Carol sold 960 / 4 = 240 tickets during three days. So in one day, she sold on average 240 / 3 = 80 tickets.
Thus, the answer is 80. 