Answer:
2.72 / 16 x 28 = $4.76
Step-by-step explanation:
Since they give you $2.72 for 16 ounces you put in:
2.72 / 16 x 28 = $___
Then you just solve it to get $4.76:
2.72 / 16 = 0.17
0.17 x 28 = 4.76