這題數點計出來

2008-03-09 6:21 am
(i) If an item costs $20 and is sold for $25, what si the (a) mark-up and (b) margin, expressed as percentages?
(ii) If the mark-up on a unit is 33 1/3 per cent, what is the margin?
(iii) If the margin is 16 2/3 per cent, what is the mark-up?

回答 (1)

2008-03-11 9:38 pm
✔ 最佳答案
(A)Mark-up percentage:
$(25-20)/$20X100%=25%
(B)Margin percentage:
$(25-20)/$25X100%=20%
(ii) If the mark-up on a unit is 33 1/3 per cent,the margin:
$20X(1+33 1/3%)-$20=$ 6 2/3
(iii) If the margin is 16 2/3 per cent,let the selling price=$Y:
$(Y-20)/$YX100%= 16 2/3%
Y =24
(24-20$)/$24X100%= 16 2/3%
The mark-up is $4(=24-20)
參考: myself


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