A shop owner set the marked price of a digital camera so as to make a profit of 30% .Finally,he sells it at a discount of 10% amg makes a profit of $238.If the cost of the digital cemera is$X,the maked price is 1.3x .The selling price is 1.17x.Find the value of x.
answer:1400
我要條列色。
thx
maths f.1
2009-02-03 11:51 pm
回答 (1)
2009-02-04 12:10 am
✔ 最佳答案
cost = xmarked price = 1.3x
selling price = 1.17x
profit = selling price - cost
1.17x-x = 238
0.17x = 238
x = 238/0.17
x = 1400
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