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)![]() ![]() You can put this solution on YOUR website! 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% \n" ); document.write( " \n" ); document.write( " |