更新1:
但答係2080元
中一百分數...
回答 (3)
2008-11-05 2:49 am
✔ 最佳答案
The cost price=$1840/(1+15%)
=$1840x100/115
=$1600
If the profit has to be double,the selling price
=$1600x(1+15%x2)
=$1600x130%
=$1600x130/100
=$2080
Hope I can help you.
參考: my maths knowledge
2008-11-05 2:32 am
跟據你既問題
個售價真係題目既$1840
用 Y 代替個成本價
Y x 115%= $1840
Y = $1840 / 115%
Y = $1600
$1840 - $1600 = $240
那麼獲利培增就是
$1600 + ($240 x 2)
=$2080
個售價真係題目既$1840
用 Y 代替個成本價
Y x 115%= $1840
Y = $1840 / 115%
Y = $1600
$1840 - $1600 = $240
那麼獲利培增就是
$1600 + ($240 x 2)
=$2080
參考: myself
2008-11-05 2:11 am
如果要將獲利增倍,是276
收錄日期: 2021-04-19 20:38:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081104000051KK01180