briandwilliams82 briandwilliams82 18-03-2021 Mathematics contestada Connie has to solve the following problem. 5 boxes of cereal costs $12.50. How much will 18 boxes cost. Choose EVERY proportion Connie could use to solve this problem. - 12.5/5 = 18/x - 5/12.5 = 18/x - 5/12.5 = x/18 - 5/18 =12.50/x