Answer: Choice C
Reason:
k = constant of proportionality
The value of k is determined by the formula
k = y/x
Let's say we picked the first row of table C
k = y/x
k = 3/18
k = 1/6
You should get the same k value for the other rows of this table. Treat the mixed number 4 1/2 as 4.5, if you prefer.
