若小明的儲蓄比子健的多25%,則子健的儲蓄是小明的百分之幾？
A 25%
B 33 1/3%
C 50%
D 75%
E 80%
要步驟
a-maths!!!!!!!!
2007-11-26 3:20 pm
回答 (1)
2007-11-26 4:48 pm
✔ 最佳答案
子健的儲蓄 = N小明的儲蓄 = N ( 1 + 25% ) = 1.25N
子健的儲蓄是小明的百分之幾 = N / (1.25N ) = 0.8 = 80% (E)
收錄日期: 2021-04-23 20:40:42
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071126000051KK00502