document.write( "Question 883931: Help!
\n" ); document.write( "Joe Borowski invested $5700 in a mutual fund one year ago. During the year, his fund increased in value by $313.50. What interest rate has Joe's investment earned?
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Algebra.Com's Answer #533862 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
I'm assuming that is is a simple
\n" ); document.write( "interest rate
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\n" ); document.write( "The fraction of the increase divided
\n" ); document.write( "by the original investment is
\n" ); document.write( "\"+313.5+%2F+5700+\"
\n" ); document.write( "The % of the increase over the
\n" ); document.write( "original investment is:
\n" ); document.write( "\"+%28+313.5+%2F+5700+%29%2A100+\"
\n" ); document.write( "\"+.055%2A100+=+5.5+\"
\n" ); document.write( "Joe's investment earned 5.5%
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