Explanation:
Total weight of all 3 books = 2 7/16 + 1 7/8 + 1/2
Finding the common denominator,
2 7/16 = 39/16
1 7/8 = 15/8 = 30/16
1/2 = 8/16
Total = 39/16 + 30/16 + 8/16
= 77/16 = 4 13/16 pounds = 5 pounds
Total is less than 6 pounds. So, Gina can ship all 3 books.