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 ​$15450\r
\n" ); document.write( "\n" ); document.write( "he amount of the 12​% note is ​$____ and the amount of the 9​% note is ​$___
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Algebra.Com's Answer #697464 by Theo(13342)\"\" \"About 
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
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\n" ); document.write( "\n" ); document.write( "the total interest per year is 145,000.\r
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\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
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\n" ); document.write( "\n" ); document.write( "x + y = 145000\r
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\n" ); document.write( "\n" ); document.write( ".12x + .09y = 15450\r
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\n" ); document.write( "\n" ); document.write( "you have 2 equations that needs to be solved simultaneously.\r
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\n" ); document.write( "\n" ); document.write( "they are:\r
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\n" ); document.write( "\n" ); document.write( "x + y = 145000
\n" ); document.write( ".12x + .09y = 15450\r
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\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
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\n" ); document.write( "\n" ); document.write( "the intersections of the lines of both equations shows the solution.\r
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\n" ); document.write( "\n" ); document.write( "that occurs when x = 80000 and y = 65000\r
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\n" ); document.write( "\n" ); document.write( "80000 + 65000 = 145000\r
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\n" ); document.write( "\n" ); document.write( ".12*80000 + .09*65000 = 15450\r
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\n" ); document.write( "\n" ); document.write( "this is what the graph looks like:\r
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\n" ); document.write( "\n" ); document.write( "if you do not know how to solve equations simultaneously, here's a good reference.\r
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\n" ); document.write( "\n" ); document.write( "http://www.purplemath.com/modules/systlin1.htm
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