document.write( "Question 64557This question is from textbook Algebra 1
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document.write( ": Hiriko invested $11,700,part at 5% interest and the balance at 7% interest.If her annaul earnings from both investments is $733,how much is invested at each rate? \n" );
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Algebra.Com's Answer #45164 by stanbon(75887) ![]() You can put this solution on YOUR website! Hiriko invested $11,700,part at 5% interest and the balance at 7% interest.If her annaul earnings from both investments is $733,how much is invested at each rate? \n" ); document.write( "----------- \n" ); document.write( "Let amount invested at 5% be \"x\"; interest on this is 0.05x dollars \n" ); document.write( "Amount invested at 7% is \"11700-x\"; interest on this is 0.07(11700-x) \n" ); document.write( "=819-0.07x dollars \n" ); document.write( "--------- \n" ); document.write( "EQUATION: \n" ); document.write( "interest + interest = 733 dollars \n" ); document.write( "0.05x+819-0.07x=733 \n" ); document.write( "-0.02x=-86 \n" ); document.write( "x=$4300 (amount invested at 5%) \n" ); document.write( "11700-4300=$7400 (amount invested at 7%) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |