# A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?

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A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?
posted Jan 11, 2016

Let's cost price =x
Profit =22.5%ofx
Sale price =392
Cp+P=Sp
x+(22.5/100)x=392
x=320=Cp
Profit =Sp-Cp=392-320=72
Ans: Profit is Rs 72

392 => 122.5 => selling price
? => 22.5 => profit
Where 100 => cost price

=72

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