Solve the equation for the indicated variable.
-I = Prt for r
A) $r = \frac { P - I } { 1 + t }$
B) $\mathrm { r } = \frac { \mathrm { I } } { \mathrm { Pt } }$
C)r = P - It
D) $\mathrm { r } = \frac { \mathrm { P } - 1 } { \mathrm { It } }$

Question

Quizplus · Accepted Answer

To solve for $r$, you rearrange the formula $I = Prt$ to get $r = \frac{I}{Pt}$ by dividing both sides of the equation by $Pt$.

Solve the Equation for the Indicated Variable r=P−I1+tr = \frac { P - I } { 1 + t }r=1+tP−I​

Solve the Equation for the Indicated Variable $r = \frac { P - I } { 1 + t }$