document.write( "Question 981234: A shopkeeper buys pens at the rate of 75 per 100. For how much should he sell each pen so as to make a gain of 15 % \n" ); document.write( "
Algebra.Com's Answer #602259 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "75 per 100 pens \n" ); document.write( "Divide both sides by 100 \n" ); document.write( "0.075 per 1 pen \n" ); document.write( "100% + 15% = 115% = 115/100 = 1.15 \n" ); document.write( "0.075 x 1.15 \n" ); document.write( "0.08625 \n" ); document.write( "This is what he must sell the pens \n" ); document.write( "at to achieve 15% profit \n" ); document.write( "Proof \n" ); document.write( "0.08625- 0.075 \n" ); document.write( "=0.01125 \n" ); document.write( "0.01125/0.075 x 100 = 15% profit. \n" ); document.write( "Hope this helps:-) \n" ); document.write( " \n" ); document.write( " |