document.write( "Question 1174084: Equal amounts are invested at 4%, 7%, and 8% annual interest. If the three investments yield a total of $760 annual interest, find the total investment. \n" ); document.write( "

Algebra.Com's Answer #799450 by ikleyn(52814) $\"\"$ $\"About$

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document.write( "Your equation is\r\n" );
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document.write( "    0.04x + 0.07x + 0.08x = 760  dollars.\r\n" );
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document.write( "Simplify \r\n" );
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document.write( "            0.19x         = 760\r\n" );
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document.write( "              x           = 760/0.19 = 4000  dollars.\r\n" );
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document.write( "Thus each investment was  $4000;  the total investment was  $4000 + $4000 = $4000 = $12000.    ANSWER\r\n" );
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