John currently has enough money to buy 45 books. if each book cost 10 cents less, john could buy 5 more books. how much money does john have to spend on book? ( be specific with the steps to get the result because i've been having a hard time : ? )

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.