这道题想不通阿,请牛人指点

sailing198961

Store S sold a total of 90 copies of a certain book during the seven days last week and it sold different numbers of copies on any 2 days. If for the seven days Store S sold the greatest number of copies on Saturday and the second greatest number of copies on Firday, did Store S sell more than 11 copies on Friday?

(1) Last week Store S sold 8 copies on Thursday
(2) Last week Store S sold 38 copies on Saturday


OA B