Posted by unknown on Friday, May 28, 2010 at 7:16pm.
if on the first of january a savings account has a balance of $3,200, what amount will be there in this account after three years if the bank gives 6% per year interest compounded quarterly? (assume that there are no deposits or withdraws of money during these three years.

essential Mathematics  unknown, Friday, May 28, 2010 at 7:18pm
find the amount after one year $1,000 invested at 6% per year if interest is a simple interest.
compound interest compounded quarterly. 
essential Mathematics  drwls, Friday, May 28, 2010 at 7:36pm
3200.00 x (1.015)^12 = $3825.98 for quarterly compound interest.
For your second (simple interest) question, just increase the initial deposit by 6%.