Since x and y are directly related, the equation for their comparison will look like
kx = y
where k is your constant. They give you an instance in the problem where x = 27 and y = 81. Plug this into the above equation and solve for k.
kx = y
k (27) = 81
k = 3
Thus, the constant of variation is 3.
Answer:
-3
Step-by-step explanation:


D. You can tell by the opened and closed line dots.
Answer:
Take 1/3 off the original price
Step-by-step explanation:
0.33333333 (etc) is bigger than 0.25, so 1/3