Solve for P: A=P+Prt
\(P+Prt=A\\\\P(1+rt)=A\ \ \ \ |divide\ both\ sides\ by\ (1+rt)\\\\P=\frac{A}{1+rt}\)
\(A=P+Prt\\ P(1+rt)=A\\ P=\frac{A}{1+rt}\)
