How do you solve for $r$ : $I = P r t$ ?

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Solution

Step-1: Simplify the expression:
To find $r$ , divide both sides of the equation with $P t$ to isolate:
$\begin{array}{rcl} \Rightarrow & \frac{I}{P t} = \frac{P r t}{P t} \\ \Rightarrow & \frac{I}{P t} = r \end{array}$
Step-2: Rewrite the term:
$\Rightarrow r = \frac{I}{P t}$
Hence, the value of $r$ is $r = \frac{I}{P t}$ .

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