Answer:
14 cents per oz
Step-by-step explanation:
399/28.5=14
Hope this helps!
R+5=8 is the corrects answer
The 4-member family can be seated in 4! ways.
The two brothers can be seated together in 2! ways.
Therefore, the total number of ways is

Diagrammatically, the result is shown in the figure below. The two brothers are family members 3 and 4, shown in shaded color.
Answer: 12 ways.