15. On a certain day it took Bill three times as long to drive from home to work as it took Sue to drive from home to work. How many kilometers did Bill drive from home to work? (1) Sue drove 10 kilometers from home to work, and the ratio of distance driven from home to work time to drive from home to work was the same for Bill and Sue that day. (2) The ratio of distance driven from home to work time to drive from home to work for Sue that day was 64 kilometers per hour. 这题我连 the ratio of distance driven from home to work time to ..... ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 都看不太懂题目 17. At a certain university, if 50 percent of the people who inquire about admission policies actually submit applications for admission, what percent of those who submit applications for admission enroll in classes at the university? (1) Fifteen percent of those who submit applications for admission are accepted at the university. (2) Eighty percent of those who are accepted send a deposit to the university. 这题是不是有陷阱啊？又是有询问的、有记申请的、有被接受的、有交保证金的、 有登记入学的 烦请版上高手帮我解答，谢谢。 --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 203.73.17.12