document.write( "Question 237676: a dvd player originally cost $150. It is on sale for $72.50. what is the percent of the discount, rounded to the nearest tenth of the percent? \n" ); document.write( "
Algebra.Com's Answer #174778 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! a dvd player originally cost $150. It is on sale for $72.50. what is the percent of the discount, rounded to the nearest tenth of the percent? \n" ); document.write( ". \n" ); document.write( "Let x = the discount \n" ); document.write( "then \n" ); document.write( "150 - 150x = 72.50 \n" ); document.write( "150(1- x) = 72.50 \n" ); document.write( "1-x = 0.48333 \n" ); document.write( "-x = -0.5167 \n" ); document.write( "x = 0.5167 \n" ); document.write( ". \n" ); document.write( "Multiply by 100 to get the percentage: \n" ); document.write( "x = 0.5167*100 \n" ); document.write( "x = 51.7% \n" ); document.write( " |