10.
a) We would determine the unit price for each ticket
For Preakness cinema,
unit price = 54/4 = 13.5
For Hawthorne cinema,
unit price = 69/6 = 11.5
For movie-max cinema,
unit price = 63.75/5 = 12.75
b) The better deal is the one with the lowest unit price. Hawthorne cinema has the lowest unit price. Thus, the best deal is Hawthorne cinema
