Answer:
2.5%
Step-by-step explanation:
The account balance is given by ...
A = P(1 +rt) . . . . principal P invested for t years at rate r
Solving for r, we find ...
(A/P -1)/t = r
r = (2325/2000 -1)/6.5 = 0.025 = 2.5%
The simple interest rate on the account is 2.5%.
