If we want rice per person, that's

1a. Answer: 25/3
That's between 24/3 and 27/3 i.e. between
1b. Answer: 8 and 9
Answer:
Decay...? Read below
Step-by-step explanation:
Assuming you meant to put 20 - (1.27)x, it is decay. As the x increases, the y decreases, making it decay.