Answer:
21
Step-by-step explanation:
3x3x3=27
27-6=21
It is proportional because we increase y.
198 round to the nearest hundreds is 200
198 round to the nearest tens is 200 too
Y= 2x
Every hour 2 bags
Afer 1 hour. 2 bags
After 2 hours 4 bags
After 3 hours. 6 bagds