Answer: The number of whole sub sandwich are needed=4
Step-by-step explanation:
Given: The number of people having the lunch = 12
The part of sub sandwich wanted by each person = \(\frac{1}{3}\)
Therefore, the number of whole sub sandwich are needed=\(12\times\frac{1}{3}\)
Thus, the number of whole sub sandwich are needed=4
Hence, the number of whole sub sandwich are needed=4
