Answer:

Step-by-step explanation:

[we transposed]
I think thats it
44 students because half of 44 is 22 and half of the class passed
Answer:
The constant of proportionality is k = 7/6 or 1.16
Step-by-step explanation:
Sorry if I'm wrong! I'm just learning this subject too so I'm going off what my teacher has told us.