Determine the constant of proportionality (unit rate) per order of popcorn for each company.

If you bought 3 bags of popcorn from each company, how much would you save purchasing from PERFECT PICTURE POPCORN than from FANTASTIC FLICKS?
Your answer:

Movie Company
Constant of Proportionality
Movie Mania
20.30
Fantastic Flicks
21.00
Perfect Picture
9.95
The Big Screen
15.00
Compare the Unit Rate
Company Name
Best Deal
9.95
Worst Deal
21.00