# How do you solve for r: I=Prt?

Answer: $r = \frac{I}{P t}$
Solve for $r$: $I = P r t$
To solve for $r$, we divide both sides of the equation by $P t$ to isolate the $r$:
$\frac{I}{P t} = \frac{P r t}{P t}$
$\frac{I}{P t} = r$