Answer:
Duff has 2 sandwiches and 3 bags of chips. Duff's total cost would be $18.5
Explanation:
We know that chips cost $1 per bag. We also know that sandwiches cost (s). It shows that there is 2s, therefore being two sandwiches and 3 chip bags. Duff's total cost would be $18.5. It's because if sandwiches cost $7.75, and he has two, we multiply it by x2. The answer to that, would be $15.5. We also know that he has 3 bag of chips, therefore adding $3. So in total, Duff's total is $18.5.