document.write( "Question 1110962:
\n" ); document.write( "An actor invested some money at 9% simple interest, and $34000 more than twice the amount at 10 %. The total annual interest earned from the investment was $18770. How much did he invest at each amount? \n" ); document.write( "

Algebra.Com's Answer #725963 by ikleyn(52780) $\"\"$ $\"About$

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document.write( "0.09*x + 0.1*(2x+34000) = 18770\r\n" );
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document.write( "0.09x + 0.2x + 3400 = 18770\r\n" );
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document.write( "0.29x = 18770 - 3400 = 15370  ====>  x =  = 53000 dollars.\r\n" );
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document.write( "Answer.  One investment was $53000.   The other was $34000 more.\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( "\n" ); document.write( "Save the link to this online textbook together with its description\r
\n" ); document.write( "
\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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