Answer:
2
-1
x=4,y=11 (same in both equations)
If 9kg costs 12$, then a single kg costs around 1.3$
This is done with a simple proportion
9 : 12 = 1 : X
x = 12/9
x = 1.33
Answer:
kalian bahasa apa aku tidak mengerti
Divide 88 and 4 by 4 to get 22 and 1. The answer is 22 students per class.