document.write( "Question 899153: you invested $18,000 in two accounts paying 5% and 9% annual interest. if the total interest earned for the year was $1380, how much was invested at each rate?
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Algebra.Com's Answer #545271 by richwmiller(17219)\"\" \"About 
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x+y=18000,
\n" ); document.write( "0.05*x+0.09*y=1380
\n" ); document.write( "x=18000-y
\n" ); document.write( "0.05*(18000-y)+0.09*y=1380
\n" ); document.write( "900.0-0.05y+0.09*y=1380
\n" ); document.write( "0.04*y=480.0
\n" ); document.write( "y=12000.0
\n" ); document.write( "x=18000-y
\n" ); document.write( "x=6000.0 y=12000.0
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