If $68170.00 LaTeX:  \displaystyle  dollars is invested at 3.2% simple interest for 9 years, how much interest is earned and what is the new account balance? </p>

Using LaTeX:  \displaystyle I = P\cdot r \cdot t = (68170)(0.032)(9) = 19632.96 . The account balance is LaTeX:  \displaystyle P + I = 68170 + 19632.96 = 87802.96