document.write( "Question 1103832: Charlie invested his savings in two investment funds. The
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document.write( "$4000
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document.write( " that he invested in Fund A returned a
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document.write( "2%
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document.write( " profit. The amount that he invested in Fund B returned a
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document.write( "5%
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document.write( " profit. How much did he invest in Fund B, if both funds together returned a
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document.write( "3%
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document.write( " profit? \n" );
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Algebra.Com's Answer #718532 by ikleyn(52824)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Charlie invested his savings in two investment funds. \n" ); document.write( "The $4000 that he invested in Fund A returned a 2% profit. \n" ); document.write( "The amount that he invested in Fund B returned a 5% profit. \n" ); document.write( "How much did he invest in Fund B, if both funds together returned a 3% profit? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "interest + interest = interest\r\n" ); document.write( "\r\n" ); document.write( "0.02*4000 + 0.05*x = 0.03*(4000+x)\r\n" ); document.write( "\r\n" ); document.write( "80 + 0.05x = 120 + 0.03x\r\n" ); document.write( "\r\n" ); document.write( "0.05x - 0.03x = 120 - 80\r\n" ); document.write( "\r\n" ); document.write( "0.02x = 40 ====> x =\r \n" ); document.write( "\n" ); document.write( "------------------- \n" ); document.write( "To see other similar problems on investment solved, 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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |