Answer:
Its 41.62
Step-by-step explanation:
A = 75
B = not sure
C = 156
So the answer is A. Hope it helps :)
Step-by-step explanation:
Let the number be x.
ATQ,
Malachy halves the number and gets an answer of 67.3.

This the equation for the given statement.
It can also be written as :

Hence, this is the required solution.
It would depend on how large the rectangle is