Final answer:
There would be 16 people in the class who would not eat rice as their main food.
Step-by-step explanation:
If 14 people out of 30 would eat rice as their main food, then the remaining people would not eat rice. We can find the number of people who would not eat rice by subtracting the number of people who would eat rice from the total number of people in the class:
Total number of people in the class - Number of people who would eat rice = Number of people who would not eat rice
30 - 14 = 16
Therefore, 16 people in the class would not eat rice as their main food.