document.write( "Question 1163997: An executive invests $21,000, some at 6% and the rest at 5% annual interest. If he receives an annual return of $1,180, how much is invested at each rate? \n" ); document.write( "

Algebra.Com's Answer #788275 by Edwin McCravy(20056) $\"\"$ $\"About$

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This is a mixture problem.  \r\n" );
document.write( "They are mostly all of this form:\r\n" );
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document.write( "This is a case where the second amount is given.                                                                                                                                                       \r\n" );
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document.write( "We change the percents to decimals\r\n" );
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document.write( "We multiply the 2nd equation through by 100 to clear\r\n" );
document.write( "the decimals\r\n" );
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document.write( "Solve by either substitution or elimination.\r\n" );
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document.write( "Edwin

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