SOLUTION: Suppose you deposit $2000 in a savings account that pays interest at an annual rate of 4%. If no money is added or withdrawn from the account, how many years will it take for the a
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Question 835785: Suppose you deposit $2000 in a savings account that pays interest at an annual rate of 4%. If no money is added or withdrawn from the account, how many years will it take for the account to contain $2500?
A(t)=a(1+r)^t
2500=2000(1+.04)^x
Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
You took the right step, but no reason to change the time variable. Simplify the equation you made, and then isolate the term on one side.
Do you know what to do with if you know b, and you know K, but you want to find the value for x?
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