You're at a gas station...

[jasonrann]

When I was a kid, D 2 B

 

[McLovin32]

A4A

 

[BigDelHawk]

Ain't no grape drank to go with those Flammin Cheetos?

 

[baddog25]

C, 6, B

 

[Derekd3408]

None
7
None

 

[SeaPA]

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Top to bottom: A 4 C

There is no "perfect combination" of those. The salty chips on the top row have to be combined with one of the sodas, which clash with the chocolate & other sweet snacks on the bottom row (the only beverage option that works with those is the water).