document.write( "Question 489276: What is the annual interest rate if $7200 is invested for 15 months and earns $855 interest? \n" ); document.write( "
Algebra.Com's Answer #333621 by rfer(16322)\"\" \"About 
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855=7200*r*15/12
\n" ); document.write( "855/(7200*15/12)=r
\n" ); document.write( "855/9000=0.095=9.5%
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