Help please

Margie and her sister wanted to purchase a bag of popcorn for movie night. They compared the prices and sizes of four bags of popcorn.


Pop-A-Lot Pop Kornz Pop-arazzi Kernels Popcorn
9 ounces 5 ounces 15 ounces 7 ounces
$4.32 $3.00 $8.25 $3.22



Part A: Calculate the corresponding unit rate for each package.


Part B: Interpret what the unit rates found in Part A represent.


Part C: Choose which package is the best buy.