document.write( "Question 107742: if you invest $5,000 for a year and earn $400 invest,what is the annual interest rate ?( use the formula i=prt.) \n" ); document.write( "
Algebra.Com's Answer #78496 by checkley71(8403)\"\" \"About 
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I=PRT
\n" ); document.write( "400=5,000*R*1
\n" ); document.write( "400=5,000R
\n" ); document.write( "R=400/5,000
\n" ); document.write( "R=.08 OR 8% IS THE RATE OF INTEREST.
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