1. Find B if P=97 and R=77 7/9%. 2. Find P if R =29% and B=300

Question

These are two different questions.

Answer 1

What are the meanings of the variables in your equations. Different people use different variables to describe rate and principal and payments and things of that nature. Aside, I'm pretty sure your equations will be B=P/(1+R) and P=B+BR