document.write( "Question 44569: Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%?
\n" ); document.write( "A). $11,000\r
\n" ); document.write( "\n" ); document.write( "B). $12,000\r
\n" ); document.write( "\n" ); document.write( "C). $8,000\r
\n" ); document.write( "\n" ); document.write( "D). $13,000
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Algebra.Com's Answer #29472 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
\"0.14%28x%29+%2B+0.13%2820000+-+x%29+=+2720\"
\n" ); document.write( "\"0.14x+%2B+2600+-+0.13x+=+2720\"
\n" ); document.write( "\"0.01x+=+120\"
\n" ); document.write( "\"x+=+12000\"
\n" ); document.write( "$12,000
\n" ); document.write( "(B)
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