document.write( "Question 61370: 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? \n" ); document.write( "
Algebra.Com's Answer #42244 by tutorcecilia(2152)\"\" \"About 
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I=Prt [use the formula for computing simple interest]
\n" ); document.write( "$400=(5000)(r)(4) [solve for r]
\n" ); document.write( "400=20,000r
\n" ); document.write( "400/20,000=r
\n" ); document.write( ".02=r
\n" ); document.write( ".02x100%=2%
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