7. A hockey arena has 10 920 seats. The first row of seats around the rink has 220 seats. The number of seats in each subsequent row increases by 16. How many rows of seats does the arena have?

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