百貨公司今日有八折
陳先生買左一條褲
原 $ 360
但折左八折
咁佢應該比幾多錢 ?!
唔該列埋條式出黎 =V=
請問數個折扣係點計嫁
2006-12-30 6:59 pm
回答 (3)
2006-12-30 8:35 pm
✔ 最佳答案
佢應該比:360 X 80 %
= 288 $
* 應該比既$$ = 原價 X 折扣既%
8 折 = 80 %
2006-12-30 7:03 pm
$360*80%*80%
=$288*80%
=$230.40
=$288*80%
=$230.40
2006-12-30 7:02 pm
360 X 80/100 = $288
收錄日期: 2021-04-12 18:53:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061230000051KK00925