Last year 45 percent of the books ordered for a school library were fiction. Which model could be used in a simulation conducted to find the probability of whether or not a book chosen randomly from this years order will be fiction?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?