Question 93666
Part A.. Solve A=P+Prt for P if r=0.07, t=3, A=4646.40 

               
Pluggin the values of r=0.07, t=3, A=4646.40  in 

==> A=P+Prt 

==> 4646.40 = p + p*0.07*3

==> 4646.40  = p + 0.21p

==> 4646.40  = p(1+0.21)

==> 4646.40  = p(1.21)

==> 4646.40/1.21 = p(1.21)/1.21

==> p = 4646.40/1.21

==> p = 3840