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Posted by **Mike** on Tuesday, April 19, 2011 at 10:49am.

A= interest

P= principle interest

r= interest rate

t= time in years

If $4500 invested at 7% interest compounded annually yeilds $15600, for how many years was the money invested?

- Math -
**PsyDAG**, Tuesday, April 19, 2011 at 10:54amIt would help if you proofread your questions before you posted them.

Where is "t" in your equation?

- Math -
**Mike**, Tuesday, April 19, 2011 at 10:58amPeople make mistakes. Calm down.

A=P(1+r)^t

A= interest

P= principle interest

r= interest rate

t= time in years

If $4500 invested at 7% interest compounded annually yeilds $15600, for how many years was the money invested?

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