Math word problem

Question

the formula B= P+ Prt can be used to determine the final balance B in an account if principal p earns intrest at a rate r for t years if the balence in an account is 4368 after earning intrest at a rate of 4% for one year find the principle that was invested

Answer 1

4368 = P + P(.04) = P(1.04)

P = 4368/1.04 = $4200