請教下我點做呢條數....
A hawker bought 360 eggs ehich originally cost $0.5 each at a discount of 20%. He threw away 40 rotten eggs.Then he sold 250 eggs at a marked price of $0.6 each and the rest at a discount of 20% on the marked price. Find:
A) the total cost of the eggs ;
B) the total selling price ;
C) the profit per cent
THANKS FOR YOUR HELP
Form 1 maths
2007-12-15 5:27 am
回答 (3)
2007-12-16 11:53 pm
✔ 最佳答案
A)360*0.5=180B)250*0.6+(360-40-250)*(0.6*(1-20%))=183.6
C)183.6-180/180*100%=2%
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2007-12-15 8:03 am
A)360*0.5=180
B)250*0.6+(360-40-250)*(0.6*(1-20%))=183.6
C)183.6-180/180*100%=2%
B)250*0.6+(360-40-250)*(0.6*(1-20%))=183.6
C)183.6-180/180*100%=2%
參考: me
2007-12-15 5:33 am
A) 360 * 0.5 * 0.8 = 144
B) 250 * 0.6 + 70 * 0.6 * 0.8 = 183.6
C) 183.6 - 144 = 39.6
B) 250 * 0.6 + 70 * 0.6 * 0.8 = 183.6
C) 183.6 - 144 = 39.6
收錄日期: 2021-04-25 20:17:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071214000051KK03448