document.write( "Question 1107249: John invested $30k in various stocks & bonds. He earned 6% on his bonds
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document.write( "and 12% on his stocks. Total profits on both investments = $2460.
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document.write( "How much of the $30k did he invest in bonds??? \n" );
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Algebra.Com's Answer #722262 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "One single equation in one single unknown B = How much of the $30k did he invest in bonds\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "interest + interest = total interest\r\n" ); document.write( "on bonds on stocks\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "0.06*B + 0.12*(30000-B) = 2460.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and solve for B.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "0.06*B + 3600 - 0.12*B = 2460\r\n" ); document.write( "\r\n" ); document.write( "-0.06*B = 2460 - 3600 = -1140 ====> B =\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |