document.write( "Question 1101732: At the time of her grandson's birth, a grandmother deposits $ 9000$in an account that pays 3 % compounded monthly. What will be the value of the account at the child's twenty-first birthday, assuming that no other deposits or withdrawals are made during this period? \n" ); document.write( "
Algebra.Com's Answer #716323 by greenestamps(13203)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "annual interest rate: 3% = .03 \n" ); document.write( "monthly interest rate: .03/12 = .0025 \n" ); document.write( "monthly growth factor: 1+.0025 = 1.0025 (the amount grows by a factor of 1.0025 each month) \n" ); document.write( "Value of $9000 after 21 years (252 months): |