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4-17.
  1. Susan and her sister' title= When Susan’s brother went to college, she and her two sisters evenly divided his belongings. Among his possessions were 3 posters, 216 books, and 24 CDs. How were these items divided? Homework Help ✎

Including Susan, there are 3 sisters.

If there are 3 sisters, each will receive an equal share of the items listed above.
Divide the number of items available by 3, and this will provide you with each person's share.