Answer:
5 days
Explanation:
You want to know the amount of time that is 1/3 of 2 weeks and 1 day.
Total time
There are 7 days in a week, so 2 weeks and 1 day will be a total of ...
2·7 +1 = 14 +1 = 15 . . . . days
Part time
If this time is split into 3 equal parts, each part is 1/3 of the total.
1/3 · 15 days = 5 days
Brandon spent 5 days with each of his 3 bro.