document.write( "Question 941719: Dr. D. Jones has a total of $3000 invested in two stocks. Stock A pays dividends at the rate of 6% and Stock B at the rate of 8%. If her dividends from the two stocks total $220 per year, how much did she invest in each stock?
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document.write( "Stock A , Stock B \n" );
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Algebra.Com's Answer #574091 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Dr. D. Jones has a total of $3000 invested in two stocks. Stock A pays dividends at the rate of 6% and Stock B at the rate of 8%. If her dividends from the two stocks total $220 per year, how much did she invest in each stock? \n" ); document.write( "--------------------- \n" ); document.write( "Equations: \n" ); document.write( "Quantity:: A + B = 3000 dollars \n" ); document.write( "Interest:: 0.06A + 0.08B = 220 \n" ); document.write( "------- \n" ); document.write( "Modify for elimination:: \n" ); document.write( "6A + 6B = 6*3000 \n" ); document.write( "6a + 8B = 22000 \n" ); document.write( "------------ \n" ); document.write( "Subtract and solve for \"B\":: \n" ); document.write( "2B = 4000 \n" ); document.write( "B = $2000 (amt. invested at 8%) \n" ); document.write( "---- \n" ); document.write( "A = 3000-2000 = $1000 (invested at 6%) \n" ); document.write( "-------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " |