document.write( "Question 1083418: Ralph Chase plans to sell a piece of property for $145000. He wants the money to be paid off in two waysminus−a short-term note at 12% interest and a long-term note at 9% interest. Find the amount of each note if the total annual interest paid is $15450\r
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document.write( "he amount of the 12% note is $____ and the amount of the 9% note is $___ \n" );
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Algebra.Com's Answer #697464 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the short term note pays 12% interest per year. \n" ); document.write( "the long term note pays 9% interest per year.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the total interest per year is 145,000.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x = the amount of the short term loan. \n" ); document.write( "let y = the amount of the long term loan.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y = 145000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".12x + .09y = 15450\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you have 2 equations that needs to be solved simultaneously.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "they are:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y = 145000 \n" ); document.write( ".12x + .09y = 15450\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "assuming you know how to solve equations simultaneously, i'll just do this graphically and show you the result.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the intersections of the lines of both equations shows the solution.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that occurs when x = 80000 and y = 65000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "80000 + 65000 = 145000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".12*80000 + .09*65000 = 15450\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this is what the graph looks like:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if you do not know how to solve equations simultaneously, here's a good reference.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "http://www.purplemath.com/modules/systlin1.htm \n" ); document.write( " \n" ); document.write( " |