document.write( "Question 43686This question is from textbook Beginning Algebra with Applications
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document.write( ": To provide for retirement income, Teresa Puelo purchases a $5000 bond that earns 7.5% annual simple interest. How much money does Teresa have invested in bonds that earn 8% annual simple interest if the total annual interest earned from the two investments is $615? \n" );
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Algebra.Com's Answer #28676 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Teresa Puelo purchases a $5000 bond that earns 7.5% annual simple interest. How much money does Teresa have invested in bonds that earn 8% annual simple interest if the total annual interest earned from the two investments is $615?\r \n" ); document.write( "\n" ); document.write( "Let amount invested at 8% be \"x\".\r \n" ); document.write( "\n" ); document.write( "EQUATION: \n" ); document.write( "interest + interest = 615 \n" ); document.write( "0.075(5000)+0.08x=615 \n" ); document.write( "375+0.08x=615 \n" ); document.write( "0.08x=240 \n" ); document.write( "x=$3000 (amount invested at 8%) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |