Peter bought an article at $x and set the marked price at a profit of 20%. By
offering a discount, he only got a profit of 8%.
-selling price:108%x
-marked price:120%x
-find the dis count percentage.
F.1 MATHS 題.20 marks!急
2010-07-22 4:28 pm
回答 (3)
2010-07-22 4:45 pm
✔ 最佳答案
120%X*(1-y)%=180%x
(1-y)%=108%x
120%x
(1-y)%=0.9
1-y=90
y=10
Therefore the discount percentage is 10%
2010-07-22 6:52 pm
The discount percentage:
1- (120%x /108%x)
=12/108 (100%)
=1/9 (100%)
=11 1/9%
1- (120%x /108%x)
=12/108 (100%)
=1/9 (100%)
=11 1/9%
2010-07-22 5:45 pm
答案:
120%X*(1-y)%=180%x
(1-y)%=108%x
120%x
(1-y)%=0.9
1-y=90
y=10
Therefore the discount percentage is 10%
我希望我这个解答可以帮到你啦!^_^
120%X*(1-y)%=180%x
(1-y)%=108%x
120%x
(1-y)%=0.9
1-y=90
y=10
Therefore the discount percentage is 10%
我希望我这个解答可以帮到你啦!^_^
參考: 自己
收錄日期: 2021-04-13 17:23:46
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