In a Pickle! #Grocery Store Problems is a cognitively challenging question, sparking discussion surrounding different approaches to the same problem.
Sharpen the skills addressed by the 8 mathematical practices but using critical thinking skills to solve through a real world connection.
This question has give a real life connection to unit rates and problem solving.
There are numerous ways which this problem can correctly be solved. This situation gives students the freedom to go about it their own way (even if it does take them a longer route than you would take!)
Also See Critical Thinking: The Hot Dog Dilemma