一條數有折扣，有售價，問定價
想問下條公式係咩
e.g. 折扣less10%
售價$112.5 問定價
幫下呀~
想問下關於數學既也
2009-07-21 10:49 pm
回答 (2)
2009-07-22 7:51 pm
✔ 最佳答案
首先當售價係 AA x (1-10%) = 112.5
=> A x 90% = 112.5
=> A x 0.9 = 112.5
即係 A = 112.5 / 0.9
=>A = 125
盡量詳細了~希望幫到你
參考: 自己
2009-07-21 10:57 pm
the answer is:
112.5/0.9 = 125
P.S. less 10% = 0.9, 定價*折扣 = 售價
112.5/0.9 = 125
P.S. less 10% = 0.9, 定價*折扣 = 售價
參考: me :)
收錄日期: 2021-04-16 15:06:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090721000051KK01058