What is 0.021 turned into a percentage

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

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