document.write( "Question 648455: you invested $15,000 in two accounts paying 2% and 4% annual interest, respectively. If the total interest earned for the year was $520, how much was invested at each rate?\r
\n" ); document.write( "\n" ); document.write( "The amount invested at 2% ?
\n" ); document.write( "The amount invested at 4% ?
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Algebra.Com's Answer #406693 by Alan3354(69443)\"\" \"About 
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you invested $15,000 in two accounts paying 2% and 4% annual interest, respectively. If the total interest earned for the year was $520, how much was invested at each rate?
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\n" ); document.write( "t = amount @ 2%
\n" ); document.write( "f = amount @ 5%
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\n" ); document.write( "t + f = 15000
\n" ); document.write( "0.02t + 0.05f = 520
\n" ); document.write( "Solve for t & f
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\n" ); document.write( "PS \"respectively\" contributes nothing
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