Final answer:
The recipe will make 4 bags of the snack mix if Lily uses only 1 cup of pretzels.
Step-by-step explanation:
To make 16 bags of the snack mix, Lily needs 2 cups of raisins. Lily needs 12 cups of pretzels to make 6 bags of the snack mix.
If Lily uses 1 cup of pecans, she will need to use 5 cups of crackers.
The recipe will make 4 bags of the snack mix if Lily uses only 1 cup of pretzels.