數學 !! （ 10 分）
回答 (2)
2006-11-08 6:21 am
來價=p
標價=(1+20%)p
發售=(1+20%)p x 75%
利潤=8%
if p = 1000,
(1+20%)(1000) x 75% = 900 ( lost 10%)
if you want have 8% profit, sales should be 1080
so, (1+20%+n)(1000) x75% = 1080
n = 24%
2006-11-07 22:22:30 補充：
n = increase %
標價=(1+20%)p
發售=(1+20%)p x 75%
利潤=8%
if p = 1000,
(1+20%)(1000) x 75% = 900 ( lost 10%)
if you want have 8% profit, sales should be 1080
so, (1+20%+n)(1000) x75% = 1080
n = 24%
2006-11-07 22:22:30 補充：
n = increase %
2006-11-08 6:02 am
increase 18% of original price again
收錄日期: 2021-04-12 18:45:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061107000051KK04606