Answer:
how many teriyaki sandwiches were sold ?
ans : 40
how many italina beef sandwiches were sold ?
ans : 20
how many grilled chicken sandwiches were sold ?
ans : 80
how many italian beef and grilled chicken sandwiches were sold ?
ans : Italian beef: 20 grilled chicken : 80
which sandwich variety was the most sold ?
ans : Italian meatball in marlnara