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 #78497 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
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( "----------
\n" ); document.write( "i=prt
\n" ); document.write( "400 = 5000*r*1
\n" ); document.write( "r = 400/5000
\n" ); document.write( "r = 0.08
\n" ); document.write( "r = 8%
\n" ); document.write( "============
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );