SOLUTION: Please help me solve this prolem. I just don't get it if there are not numbers. Solve for P: A=P+Pr

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Please help me solve this prolem. I just don't get it if there are not numbers. Solve for P: A=P+Pr      Log On


   

Question 170387: Please help me solve this prolem. I just don't get it if there are not numbers.
Solve for P: A=P+Pr
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Letters should be easier because you don't have to use much math to solve the equations.
A=P+Pr
a=p(1+r)
p=a/(1+r)