how much percent above the cost price should A shopkeeper marks his goods so that after allowing a discount of 20% he still earns a profite of 20%
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Let the MP be (100+x)CP/100 , where CP is cost price.
then SP = MP- Discount
120CP/100 = (100+x)CP/100 - (20/100)*[(100+x)CP/100]
x is the required answer.
x=50%
then SP = MP- Discount
120CP/100 = (100+x)CP/100 - (20/100)*[(100+x)CP/100]
x is the required answer.
x=50%
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