document.write( "Question 1111897: linda invested some money for one year in bonds that pay 8% simple interest and three times as much in preferred stock that earns 11% simple interest. if the total interest earned from the two investments was $1640, how much was invested in the bonds? \n" ); document.write( "
Algebra.Com's Answer #726925 by ikleyn(52797)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The basic equation is\r\n" );
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document.write( "0.08*x + 0.11*(3x) = 1640  dollars.\r\n" );
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document.write( "Solve for x, which is an amount invested in bonds at 8%.\r\n" );
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\n" ); document.write( "To see many other similar solved problems on investment,  look into the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Using systems of equations to solve problems on investment\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "You will find there different approaches  (using one equation or a system of two equations in two unknowns),  as well as
\n" ); document.write( "different methods of solution to the equations  (Substitution,  Elimination).\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic  \"Systems of two linear equations in two unknowns\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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