我唔識做一條數學題,幫幫我!!!!!!!!!!!!!!!!
問題: 某洒店推出自助餐優惠,每5人惠顧其中1人免費,求折扣百分率。
唔該幫下我呀!!!!
F1數學題!!!!!!急!!!!!!!!!!!(今天前)(10分)
2007-11-28 3:06 am
回答 (13)
2007-11-28 8:55 pm
5-1
-----X100%=80% 折扣百分率是20% =8折
5
-----X100%=80% 折扣百分率是20% =8折
5
2007-11-28 3:54 am
5-1/5*100%
=4/5*100%
=80%
=4/5*100%
=80%
2007-11-28 3:35 am
答案係20%
2007-11-28 3:21 am
設每個人需付費$x
折扣百分率
=(6x-5x)/5x*100%
=20%
折扣百分率=20%
折扣百分率
=(6x-5x)/5x*100%
=20%
折扣百分率=20%
2007-11-28 3:15 am
8折百分率
2007-11-28 3:15 am
某洒店推出自助餐優惠,每5人惠顧其中1人免費,求折扣百分率。
答案是:20%
2007-11-27 19:38:39 補充：
sor!正確答案是:80%
答案是:20%
2007-11-27 19:38:39 補充：
sor!正確答案是:80%
參考: myself
2007-11-28 3:14 am
5份1乘100%
(sure correct)
:-):-)
2007-11-27 19:15:34 補充：
Answer is 20%
(sure correct)
:-):-)
2007-11-27 19:15:34 補充：
Answer is 20%
收錄日期: 2021-04-22 22:24:46
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071127000051KK02675