Name: SAT Math Help & School Math Mastery
Availability: InStock

Loading...

#36447

equations

formulas

medium

60 sec

The formula for the total amount $A$ in a simple interest account is given by $A = P + P r t$ , where $P$ is the principal, $r$ is the annual interest rate, and $t$ is the time in years. Which of the following correctly expresses $t$ in terms of $A$ , $P$ , and $r$ ?

A.

$t = \frac{A - P}{P r}$

B.

$t = \frac{A}{P r} - P$

C.

$t = \frac{A - P}{r}$

D.

$t = \frac{A}{P ( 1 + r )}$