英语奥数题
thecostofahi-fiwas$525.itwassoldfor$630.expresstheprofitasapercentageofthecostprice??...
the cost of a hi-fi was $525.it was sold for $630.express the profit as a percentage of the cost price???????
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Profit = gross sales - cost = 630 - 525 = $105
Profit / the Cost Price = $105 / $525 = 20% 纯回报率
Profit / the Cost Price = $105 / $525 = 20% 纯回报率
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回答:20%
HI-FI的成本是$525,售价是$630,用百分比表示利润占成本价的多少.(630-525)/525*100%=20%
HI-FI的成本是$525,售价是$630,用百分比表示利润占成本价的多少.(630-525)/525*100%=20%
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