document.write( "Question 564695: stanley invested $3900 in a mutual fund one year ago. during the year his fund increased in value by $339.30. what interest rate has stanleys investment earned? \n" ); document.write( "
Algebra.Com's Answer #365440 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "His interest rate is 8.7% \n" ); document.write( " |