a shopkeeper sold an article at a gain of 5%. If he had sold it for Rs.16.50 less,he would have lost 5%. find the cost price of the article
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let the cp be x
sp=105x/100
if he sold it for 16.5 less then so =105x/100-16.5
5%loss=95x/100
105x/100-16.5=95x/100
1.05x-0.95x=16.5
0.1x=16.5
x=165
sp=105x/100
if he sold it for 16.5 less then so =105x/100-16.5
5%loss=95x/100
105x/100-16.5=95x/100
1.05x-0.95x=16.5
0.1x=16.5
x=165
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