1.Are there exactly 3 distinct symbols used to create the code words in language Q? (1) The set of all code words in language Q is the set of all possible distinct horizontal arrangements of one or more symbols, with no repetition. (2) There are exactly 15 code words in language Q. Ans: C 看不太懂题意.. 2.If each of 4 subsidiaries of Corporation R has been granted a line of credit of $700000 and each of the other 3 subsidiaries of Crporation R has been granted a line of credit of $112000. What is the average line of credit granted to a subsidiary of Corporation R? (A) $1568000 (B) $448000 (C) $406000 (D) $313600 (E) $116000 Ans: B 请问怎麽算的? 3.A family made a down payment of $75 and borrowed the balance on a set of encyclopedias that cost $400. The balance with interest was paid in 23 monthly payments of $16 each and a final payment of $9. The amount of interest paid was what percent of the amount borrowed? (A) 6% (B) 12% (C) 14% (D) 16% (E) 20% Ans: D 麻烦解释一下怎麽算的... Thanks -- http://www.wretch.cc/album/akgod My History of WarcraftIII --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 122.123.32.201 ※ 编辑: AKgOd 来自: 122.123.32.201 (05/27 20:52) ※ 编辑: AKgOd 来自: 122.123.32.201 (05/27 20:58)