document.write( "Question 696677: Can anyone help me solve this problem ? I have no idea how to do it. An investor invested a total of $1,900 in two mutual funds, one fund earned a 7% profit, while the other earned a 4% profit. If the investor's total profit was $97, how much was invested into each mutual fund?\r
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Algebra.Com's Answer #429232 by Edwin McCravy(20060) $\"\"$ $\"About$

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Can anyone help me solve this problem ? I have no idea how to do it. An investor invested a total of $1,900 in two mutual funds, one fund earned a 7% profit, while the other earned a 4% profit. If the investor's total profit was $97, how much was invested into each mutual fund?
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document.write( "                  PRINCIPLE · RATE  =  INTEREST                                   \r\n" );
document.write( "First investment      x      .07    =    .07x \r\n" );
document.write( "Second investment   1900-x   .04    = .04(1900-x)\r\n" );
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document.write( "TOTAL                1900                  97\r\n" );
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document.write( "                  .07x + .04(1900-x) = 97\r\n" );
document.write( "                    7x +   4(1900-x) = 9700\r\n" );
document.write( "                      7x + 7600 - 4x = 9700 \r\n" );
document.write( "                           3x + 7600 = 9700\r\n" );
document.write( "                                  3x = 2100\r\n" );
document.write( "              FIRST INVESTMENT =   x =  700\r\n" );
document.write( "             SECOND INVESTMENT = 1900-x = 1900-700 = 1200\r\n" );
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document.write( "Answer: $700 at 7%, $1200 at 4%\r\n" );
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document.write( "Edwin

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