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By selling 8 dozen pencils,a shopkeeper gains the selling price of one dozen pencils.Find the gain percentage.Please also answer with steps. Thanx:)



Let x be the sp of 1 dozen pencils. On selling 8 dozen pencils he gains x rupees. Cp = cost price = 8x Sp = 8x+x Gain is when sp > cp Gain= sp-cp= x Gain % = gain/ cp ×100 = x/8x ×100 = 100/8 =12.5%
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