document.write( "Question 44576: Angus invested $18,000, part at 3% and part at 5%. If the total interest at the end of the year is $660, how much did he invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #29470 by Nate(3500)\"\" \"About 
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\"0.03%28x%29+%2B+0.05%2818000+-+x%29+=+660\"
\n" ); document.write( "\"0.03x+%2B+900+-+0.05x+=+660\"
\n" ); document.write( "\"-0.02x+=+-240\"
\n" ); document.write( "\"x+=+12000\"
\n" ); document.write( "\"18000+-+x+=+18000+-+12000+=+6000\"
\n" ); document.write( "$12,000 in 3%
\n" ); document.write( "$6,000 in 5%
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