The population of Rome, Italy after 1960. P=50.3(1.0721)t, where P represents the population in millions & t represents years after 1960. What was the initial population and what is the growth rate?

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?