document.write( "Question 876580: A $108,000 trust is to be invested in bonds paying 7%, CDs paying 5%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn $8600 annual income from the investments, how much should the bank invest in bonds? \n" ); document.write( "
Algebra.Com's Answer #531595 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! b+c+m=108,000 \n" ); document.write( ".07*b+.05*c+.1m=8600 \n" ); document.write( "b+c-m=0\r \n" ); document.write( "\n" ); document.write( "1,1,1,108000 \n" ); document.write( ".07,.05,.10,8600 \n" ); document.write( "1,1,-1,0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1,0,0,25,000 \n" ); document.write( "0,1,0,29,000 \n" ); document.write( "0,0,1,54000\r \n" ); document.write( "\n" ); document.write( "b=25,000 \n" ); document.write( "c=29,000 \n" ); document.write( "m=54000 \n" ); document.write( " \n" ); document.write( " |