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2007-01-04 2:43 am
A shopkeeper raised the marked price of a dress by 20%. It was originally marked at $500. He then sold it to customer at a 20% discount.

find the selling price
詳細solution

回答 (3)

2007-01-04 2:47 am
✔ 最佳答案
A shop keeper raised the marked price of a dress by 20%. It was originally marked at $500. He then sold it to customer at a 20% discount.

The selling price:

500*(1+20%)*(1+20%)
=500*1.2*0.8
=$480
2007-01-04 3:59 am
A shopkeeper raised the marked price of a dress by 20%. It was originally marked at $500. He then sold it to customer at a 20% discount.
Find the selling price

The new marked price

=$500X(1+20%)

=$500X1.2

=$600

The selling price

=$600X(1-20%)

=$600X0.8

=$480
參考: 100% my knowledge
2007-01-04 3:05 am
The selling price:

500*(1+20%)*(1+20%)
=500*1.2*0.8
=$480


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