help last Maths thz
2006-11-15 7:59 am
如果文生以$2700的價錢售出他的電視機,他將會X(唔識打)蝕$300.假設他希望在售出時能獲得20%的(ying)利,他應以點樣既價錢出售該電視機 ?
回答 (3)
2006-11-15 8:05 am
✔ 最佳答案
電視機原價 = 2700 + 300 = $3000電視機售價 = 3000 (1 + 20%)
= 3000 x 1.2
= $3600
參考: myself
2006-11-15 8:05 am
你假設佢蝕錢個價錢係 X
咁要計番佢個原價係幾多,即係 X = 2700 + 300
X = 3000
原本係3000既
咁要賺20%咁就應該用3000 x 120%(1.2) = 3200...
2006-11-15 00:05:42 補充：
HAHA~sorry...3000 x 1.2 = 3600
咁要計番佢個原價係幾多,即係 X = 2700 + 300
X = 3000
原本係3000既
咁要賺20%咁就應該用3000 x 120%(1.2) = 3200...
2006-11-15 00:05:42 補充：
HAHA~sorry...3000 x 1.2 = 3600
參考: ME
2006-11-15 8:04 am
(2700+300) X (1 + 20%)
=3000 X (1 + 20%)
=3600
=3000 X (1 + 20%)
=3600
收錄日期: 2021-04-18 19:51:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061114000051KK05438