 
<translate> Carol ta sayar da tikiti 960 / 4 = 240 a cikin kwanaki uku. Don haka a rana guda, ta sayar da matsakaicin tikiti 240 / 3 = 80. Saboda haka, amsar ita ce 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. 