标题: prep数学1道求解~ [打印本页] 作者: racy0226 时间: 2012-7-11 09:35 标题: prep数学1道求解~ (1) The number of books that the charity collected was 40 percent of the total number of books, videos, and board games that the charity collected. (2) The number of books that charity collected was 66 3 2 percent of the total number of videos and board games that charity collected.