Answer :

There would be about 23 apples in each box. If you divide 2,605 apples by 91 boxes, you originally get 22.692. Then, you round up to 23
You divide 2,605 by 91 boxes to find how many apples one box holds. 
2605/91 equals about 28.62 apples which can then be rounded to 29 apples.