Simple Interest Formula $t = \frac { 1 } { r } \left( \frac { A } { P } + 1 \right)$

Multiple Choice

Simple interest formula. Solve the formula for t . A = P + Prt

A) $t = \frac { 1 } { r } \left( \frac { A } { P } + 1 \right)$
B) $t = \frac { 1 } { r } \left( \frac { A } { P } - 1 \right)$
C) $t = \frac { 1 } { P } \left( \frac { A } { r } - 1 \right)$
D) none of these