document.write( "Question 1121641: Phyllis invested $12,000, a portion earning a simple interest rate of
\n" ); document.write( "4 1/2% per year and the rest earning a rate of 4% per year. After 1 year the total interest earned on these investments was $520. How much money did she invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #737599 by ikleyn(52784)\"\" \"About 
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