某公司為速銷一隻新產品,除以標價9折出售外,還推出買4送1的優惠.
若顧客購買5件該產品,求折扣率.
數學功課(三)
2007-10-22 11:04 pm
回答 (2)
2007-10-22 11:25 pm
✔ 最佳答案
設標價為100，標價9折再買4送1，o者係100x90%x80%=72 ，
折扣率:(舊-新)/舊x100%
=(100-72)/100100%
=28%
參考: 個人算出
2007-10-22 11:24 pm
Let the product is $100, 10% will be $90,
buy 5 will cost $90 x 4 = 360
total discount : $500 - $360= $140 ;140/500 =0.28(28%)
buy 5 will cost $90 x 4 = 360
total discount : $500 - $360= $140 ;140/500 =0.28(28%)
收錄日期: 2021-04-13 18:55:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071022000051KK01421