Answer:
D
Step-by-step explanation:
The seven should be on the outside because it is on the denominator
If 9kg costs 12$, then a single kg costs around 1.3$
This is done with a simple proportion
9 : 12 = 1 : X
x = 12/9
x = 1.33
35 is the correct answer choice
-4+6
or it could be written out as
n-4+6=x
