Two ratios that are equivalent to 1: 1

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

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Which equation can be simplified to find the inverse of y = 2x2^2