A shopowner sets the marked price of a camera so as to make a profit of 20%.
Finally, he sells it at a discount of 10% and makes a profit of $256. What is the cost
price of the camera?
F.1 maths question (急!!!20點)
2014-11-22 8:44 pm
回答 (1)
2014-11-22 11:34 pm
✔ 最佳答案
Let $x be the cost price of the camera.(1+20%)(1-10%)x-x=256
1.08x-x=256
x=3200
The cost price of the camera is $3200.
參考: me
收錄日期: 2021-04-15 17:22:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141122000051KK00051