Answer: the store sold 31 1/3 pounds
Step-by-step explanation:
The store sold 15 2/3 pounds of carrots. Converting to improper fraction, it becomes 47/3 pounds.
The store sold 12 1/3 pounds of asparagus. Converting to improper fraction, it becomes 37/3 pounds.
The store sold 3 1/3 pounds of cabbage. Converting to improper fraction, it becomes 10/3 pounds.
Therefore, the total number of pounds that the store sold is
47/3 + 37/3 + 10/3 = 94/3 = 31 1/3 pounds