高考问答唐斌和周晚晴外传:i have a math problem in english
来源：百度文库 编辑：高考问答 时间：2024/05/07 17:58:12
A certain school event was open only to juniors and seniors.Half the number f juniors who had planned to attend actually attended.Double the number of seniors who had planned to attend actually attended. If the ratio of the number of juniors who had planned to attend to the number of seniors who had planned to attend was 4 to 5, then juniors were what fraction of attendees?
i want to know why the answer is 1:6?????????
i want to know why the answer is 1:6?????????
一个特定的学校事件是公开只有对年少者和年长者。叁加的一半的数字 f 计画实际上叁加的年少者。加倍被叁加的计画实际上叁加的年长者的数字。 如果计画注意计画叁加的年长者的数字的年少者的数字的比是 4-5, 那么年少者是什么出席者的分数?
自己算