document.write( "Question 116745: Please Help me with this word problem. This is my last assignment and I am stuck on this, so if you can help I really apreciate it. Thank you\r
\n" );
document.write( "\n" );
document.write( "The formula for calculation the amount of money retuened for an initial deposit into a bank account or CD is given by A=P(1+r/n)
\n" );
document.write( "A is the amount of return
\n" );
document.write( "P is the principal of intitial deposit
\n" );
document.write( "r is annual interest rate(expressed as a decimal)
\n" );
document.write( "n is the number of compound periods in one year
\n" );
document.write( "t is the number of years\r
\n" );
document.write( "\n" );
document.write( "carry all calculations to six decimals on each intermediate step round final number to nearest cent.\r
\n" );
document.write( "\n" );
document.write( "Suppose you deposit $4000 for 8years at a rate of 7%\r
\n" );
document.write( "\n" );
document.write( "A) calculate the return(A) if the bank compounds annually(n=1) round to hundredth place\r
\n" );
document.write( "\n" );
document.write( "B)calculate the return(A) if the bank compounds monthly (n=12) round to nearest hundredth place\r
\n" );
document.write( "\n" );
document.write( "C) Does compounding annually or monthly yeild more interest? explain why\r
\n" );
document.write( "\n" );
document.write( "D)If a bank compounds continuously then the formula used is A=Pe^n where e is a constant and equals approximately 2.7183
\n" );
document.write( " Calculate A with continuous compounding. round to nearest hundredth place\r
\n" );
document.write( "\n" );
document.write( "E) How long will it take to double my money at 7% interest rate and continuous compounding. round to the nearest Hundredth place\r
\n" );
document.write( "\n" );
document.write( "SHOW ALL WORK FOR A-E QUESTIONS THANK YOU AGAIN IN ADVANCE \n" );
document.write( "
Algebra.Com's Answer #84944 by stanbon(75887) ![]() You can put this solution on YOUR website! Suppose you deposit $4000 for 8years at a rate of 7% \n" ); document.write( "A) calculate the return(A) if the bank compounds annually(n=1) round to hundredth place \n" ); document.write( "A(t) = P(1+r/n)^(nt) \n" ); document.write( "A(8) = 4000(1+0.07/1)^(1*8 =$6872.75 \n" ); document.write( "-------------------- \n" ); document.write( "B)calculate the return(A) if the bank compounds monthly (n=12) round to nearest hundredth place \n" ); document.write( "A(8)= 4000(1+(0.07/12))^(12*8) \n" ); document.write( "A(8)= 4000(1.0058)^(96)= $6969.10 \n" ); document.write( "---------------------------- \n" ); document.write( "C) Does compounding annually or monthly yeild more interest? explain why \n" ); document.write( "monthly because, although you compound at a smaller rate, compounding \n" ); document.write( "more ofterm more than offsets the difference. \n" ); document.write( "------------------------------- \n" ); document.write( "D)If a bank compounds continuously then the formula used is A(t)=Pe^rt where e is a constant and equals approximately 2.7183 \n" ); document.write( "Calculate A with continuous compounding. round to nearest hundredth place \n" ); document.write( "A(8) = 4000e^(0.07*8) \n" ); document.write( "A(8) = 4000*1.7507 \n" ); document.write( "A(8) = $7002.69 \n" ); document.write( "---------------------- \n" ); document.write( "E) How long will it take to double my money at 7% interest rate and continuous compounding. round to the nearest Hundredth place \n" ); document.write( "8000 = 4000e^(0.07t) \n" ); document.write( "2 = e^(0.07t) \n" ); document.write( "0.07t = ln2 \n" ); document.write( "t = (ln2)/(0.07) \n" ); document.write( "t = 9.90 years \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |