Ben orders a cost of us tovorite macaroni and cheese. The case contains 18 same-
size boxes that weight a totçi of 7.2 pounds. Which set of equations represents the weight in
pounds, of each box bí mocaroni and cheese, z?
18z = 7.2
2= 25
18z = 7.2
z=0,4
7.2 = 18
z=25
72z=18
= 0.4