by selling a book for rupees 258 a bookseller gains 20% for how much should he sell it to gain 30%
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20/100*258=51.6
258-51.6=206.4
30/100*206.4=61.92
bookseller should sell it to gain 30% =206.4+61.94
=268.32
258-51.6=206.4
30/100*206.4=61.92
bookseller should sell it to gain 30% =206.4+61.94
=268.32
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