Tuesday, June 22, 2010

Help me understand how to work this problem?

Suppose you have $2,000 and plan to purchase a 3-year certificate of deposit (CD) that pays 4% interest, compounded annually. How much will you have when the CD matures?Help me understand how to work this problem?
I believe that the girl above almost had it with the exception of a few errors in calculation. The correct answer would be:


2000.00 X 4% = 80 + 2000.00 = 2080


2080 X 4% = 83.2 + 2080.00 = 2163.2


2163.2 X 4% = 86.53 + 2163.20 = 2249.73Help me understand how to work this problem?
take the $2000.00 miltiply by 4% =$80.00 +$2000.00+$80.00=$2080.00


Then you do it again $2080.00 x4%=$83.60+$2080.00=$2163.60


and the third time $2163.60x4%+$86.54+2163.60=$2250.14 Once the CD has matured at the end of the third year The Total balance is $2250.14

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