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Let the c.p. of 1 article be Rs.1
Then,C.P.of 23 articles=Rs.23
S.P.of 20 articles=Rs.23
S.P. of 1 article=Rs.23/20
Let the number of articles be x.
Then total C.P.=1*x=Rs.x
And total S.P.=23/20*x=Rs.23x/20
Since S.P.>C.P. there is a profit
Profit percentage=(3x/20)/x*100%=15%
Answer:The gain percentage is 15%
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The Brainliest Answer!
the sp of 20 articles = cp of 23 articles =x
sp of 1 article=x/20
cp of 1 article=x/23
profit %=3x/460*23/x*100=15%

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