與2005同期比較,2006上半年交通意外總數由7268宗減7158至宗。
如希望未來3年交通意外總數以相同百分數持續減少,2009上半年交通意外總數預計是多少
F.3 Math 1 Question percentage
2009-06-25 7:39 pm
回答 (2)
2009-06-25 8:02 pm
✔ 最佳答案
% change from 2005 to 2006 = (7158 - 7268)/7268 x 100% = - 1.51348%therefore 2006 to 2007 = 7158(1 - 1.51348%)
2007 to 2008 = 7158 ( 1 - 1.51348%)^2
2008 to 2009 = 7158(1 - 1.51348%)^3
= 6838.
2009-06-30 5:05 am
我都計到6838但係錯咗
收錄日期: 2021-04-25 22:37:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090625000051KK00607