document.write( "Question 202807: a total of 27000 was invested, part of it at 10% and part at 12%. the total yield was 2990. how much was invested at each rate? \n" ); document.write( "
Algebra.Com's Answer #152978 by rfer(16322)\"\" \"About 
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.1x+.12(27000-x)=2990
\n" ); document.write( ".1x+3240-.12x=2990
\n" ); document.write( "-.02x=-250
\n" ); document.write( "x=$12500
\n" ); document.write( "27000-x=$14500
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