document.write( "Question 88715: \n" ); document.write( "
Algebra.Com's Answer #64507 by malakumar_kos@yahoo.com(315)\"\" \"About 
You can put this solution on YOUR website!
A principal of $5000 was invested in a savings account for 4 years. If the interest earned for the period was $400, what was the interest rate?\r
\n" ); document.write( "\n" ); document.write( " Principal = p =$5000
\n" ); document.write( " Time = T = 4 yrs
\n" ); document.write( " Interest = I = $400
\n" ); document.write( " Rate of Interest = R = ?
\n" ); document.write( " I = PTR/100
\n" ); document.write( " therefore R = I*100/P*T
\n" ); document.write( " = 400(100)/5000*4
\n" ); document.write( " = 10/5
\n" ); document.write( " = 2%
\n" ); document.write( "
\n" ); document.write( "
\n" );