If the selling price of 20 articles is equal to the cost price of 23 articles, find the loss or gain per cent
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20 SP = 23 CP
then SP/CP = 23/20
means SP = 23 and CP = 20
Then profit = [ ( 23-20)/20 ] × 100
(3/20)/100 = 5×3 = 15%
then SP/CP = 23/20
means SP = 23 and CP = 20
Then profit = [ ( 23-20)/20 ] × 100
(3/20)/100 = 5×3 = 15%
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