Answer:
it will be 36 (B)
Step-by-step explanation:
1/2(72+55)=36
hope this help!
Answer:

Step-by-step explanation:
We just convert 0.43 to
since it's 0.43 and not any other decimal (e.g. 1.43 would be
if you get what I mean).
Answer:
k = 3
Step-by-step explanation:
Given that y and x are directly related then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 81 when x = 27
k =
=
= 3
The answer of this question is that the total price is $191.45