# Math

A=P(1+r)^2

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?

1. It would help if you proofread your questions before you posted them.

Where is "t" in your equation?

posted by PsyDAG
2. People 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?

posted by Mike

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