The bank offered a 0.6% interest rate. Find 0.6% of $1300.

Reggie invests $12,000, part at 7% annual interest and part at 8.5% annual interest. How much is invested at each rate if Reggie’s total annual interest is$900?

What happens to the present value of an annuity as the interest rate increases?

Find the monthly interest rate $r$ when

$$A P R=13.2$$

Investigate the difference between compounding annually and simple interest. Round to the nearest cent. Find the interest for a 1-year CD for $5,000 at an interest rate of 2.5% compounded annually.

Find the perimeter (or circumference) and area of the figure described. If necessary, round to the nearest tenth.

Compute the future value of $100 at an 8 percent interest rate 5, 10, and 15 years into the future. What would the future value be over these time horizons if the interest rate were 5 percent?

In this exercise, use the add-on method of calculating interest to find the total interest and the monthly payment.

To make CDs look more attractive than they really are, some banks advertise that their rates are higher than their competitors’ rates; however, the fine print says that the rate is a simple interest rate. If a person deposits $10,000 at 10% per year simple interest, what compound interest rate would yield the same amount of money in 3 years?

If a principal of P dollars is borrowed for a period of t years at a per annum interest rate r, expressed as a decimal, the interest I charged is _______ = _______. Interest charged according to this formula is called ________ _________.

You are investing P dollars at an annual interest rate of r, compounded continuously, for t years. Which of the following would result in the highest value of the investment? Explain your reasoning. Double your interest rate.

In this exercise, use the add-on method of calculating interest to find the total interest and the monthly payment.

The formula

$$I_t=\frac{I_f}{1-T}$$

gives the taxable interest rate $I_t$ equivalent to the tax-free interest rate $I_f$ for a person in the $(100 \cdot T) \%$ tax bracket. Solve for $T$.

An investor earned $\$ 208.76$ in interest in one year on an account that paid $4.25 \%$ simple interest.

How much more interest would the account have earned at a rate of $5.33 \%$ ?