document.write( "Question 1102554: What principle will amount to $1500 if invested at 5% compounded semi-annually for 14years? \n" ); document.write( "
Algebra.Com's Answer #717254 by Boreal(15235) You can put this solution on YOUR website! Compound interest formula \n" ); document.write( "P=Po(1+r/t)^nt; r rate, t number of compoundings per year, n number of years \n" ); document.write( "P=1500(1+0.025)^28 \n" ); document.write( "don't round until the end \n" ); document.write( "=$2994.74 \n" ); document.write( "rule of 72 predicts doubling in 72/5=14.2 years. \n" ); document.write( "Rule of 70 is closer and predicts doubling in 14 years. \n" ); document.write( " |