Please need help to answer the question in 5 minutes?

Answer:
22 7/18 pounds
Step-by-step explanation:
A: 15 1/2 pounds
B: 15 1/2 x 1/3 = 5 1/6
C: 5 1/6 x 1/3 = 1 13/18
A+B+C = 15 1/2 + 5 1/6 + 1 13/18 = 403/18 = 22 7/18