[數學]1條Percentage問題 F.1 [急]

2012-08-21 2:46 am
盡量比埋解決方法。
In a sale,the selling price of a refrigerator is $1150 less than the marked price.If the discount percentage is 23%,find the selling price of the refrigerator.
Hint:Use the discount percentage to find the marked price frist.

回答 (2)

2012-08-21 4:24 am
✔ 最佳答案
Method 1
Let $x be the marked price
(23%)x=1150
x=1150÷23% (1150÷0.23)
x=5000
the marked price=$5000
the selling price
=$5000-$1150
=$3850
Method 2 (一條式過/你可以逐步黎計)
the selling price
=$(1150÷23%-1150)
=$(5000-1150)
=$3850
不過你F.1 最好都係列式好 建議 Method 1
參考: Me
2012-08-21 3:08 am
Discount = $1150
Discount percentage = 23%
∴ Marked price = 1150/23% = $5000
∴ Selling price = 5000-1150 = $3850
參考: me


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