The history museum is hosting a special exhibition on history of flight. The admission ticket for each adult costs 3 and the admission ticket for each child costs 2 . On the opening day of the exhibition, 80 tickets were sold for a total of . How many adults visited the special exhibition?

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell