SOLUTION: 3 years ago you had $120 in the bank. You now have $192. If the amount of money at the end of each year increases exponentially, then how much will you have in the bank after anoth

Algebra ->  Test -> SOLUTION: 3 years ago you had $120 in the bank. You now have $192. If the amount of money at the end of each year increases exponentially, then how much will you have in the bank after anoth      Log On


   



Question 1154481: 3 years ago you had $120 in the bank. You now have $192. If the amount of money at the end of each year increases exponentially, then how much will you have in the bank after another 7 years?
(Assume that you do not deposit or withdraw any money)

Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
.

Then one year growing coefficient/(factor) (in exponential model) is


    q = root%283%2C%28192%2F120%29%29 = 1.1696.


Hence, after another 7 years the balance at the account will be


    balance = 192%2A1.1696%5E7 = 574.86 dollars.    ANSWER

Solved.