Bread = 2
Fillings = 4
Condiments = 3
Multiply:
2 · 4 · 3 = 24
Answer = C.24
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Material = 2
Color = 3
Multiply:
3 · 2 = 6
There should be a total of 6 combinations with 1 material and 1 color each
Answer = A.
Hope this helped :)