1.A man solid a car for $35000 at a loss of 30% on the cost price. What would have been the loss or gain percent if he has sold it for $50500.
A. A gain of 10%
B. A gain of 1%
C. A loss of 10%
D. A loss of 1%
2. 1/(1/sinθ - 1) - 1/ (1/sinθ + 1 ) =
A. 2 tanθ
B. 2 tan^2 θ
C. 2/ tan^2 θ
D. 2sinθ/ cos^2 θ
math problem
2007-12-02 8:27 am
回答 (1)
2007-12-02 8:48 am
✔ 最佳答案
1. origaninal price of car:
35000\(1-30%)
=$50000
percent gain:
(50500-50000) \ 50000
=0.01
=1%
the answer is A
第二題唔記得左...
一陣補上
2007-12-02 10:37:42 補充：
原來 1%係 B ....打錯左...
參考: me
收錄日期: 2021-04-19 00:06:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071202000051KK00126