document.write( "Question 167629: A car is marked up 50% from its wholesale price. During a sale, the retail price is reduced by 20%. What percent higher is the sale price than the wholesale price? \n" ); document.write( "
Algebra.Com's Answer #123536 by gonzo(654)![]() ![]() ![]() You can put this solution on YOUR website! if the wholesale price is w, then the retail price is w + .5*w = 1.5*w. \n" ); document.write( "let r = retail price \n" ); document.write( "r = 1.5*w \n" ); document.write( "----- \n" ); document.write( "retail price is reduced by 20%: \n" ); document.write( "r-.2*r = (1-.2)*r = .8*r \n" ); document.write( "----- \n" ); document.write( "if r = 1.5*w, then \n" ); document.write( ".8*r = .8*1.5*w = 1.2*w \n" ); document.write( "----- \n" ); document.write( "the retail price was 50% above wholesale. \n" ); document.write( "now the retail price is 20% above wholesale. \n" ); document.write( "----- \n" ); document.write( "putting this into numbers: \n" ); document.write( "let wholesale price = $3000. \n" ); document.write( "retail price is 50% above that. \n" ); document.write( "retail price = $3000 + $1500 = $4500. \n" ); document.write( "take 20% off $4500. \n" ); document.write( ".2 * $4500 = $900 \n" ); document.write( "$4500 - $900 = $3600 equal retail price with 20% taken off. \n" ); document.write( "$3600 discounted retail price is $600 over the wholesale price of $3000 which equals 20% of the wholesale price. \n" ); document.write( "-----\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |