document.write( "Question 1026037: A book cost $25. It goes on sale for $19. What is the percent decrease? \n" ); document.write( "
Algebra.Com's Answer #641315 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Change in price = (new) - (old) = 19 - 25 = -6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide the change in price over the original price: -6/19 = -0.315789 (result is approximate)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now multiply by 100 to convert to a percentage: 100*(-0.315789) = -31.5789%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Percent Change = -31.5789% which is another way to say \"a decrease of 31.5789%\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Question: What is the percent decrease? \n" ); document.write( "Answer: 31.5789%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note: The answer above is approximate. Round that however you need to or however the instructions state. \n" ); document.write( " |