Answer:
13
Step-by-step explanation:
In order to find the answer, plug in 4 for x.

You see the -3 2nd to the left right?
Answer:
The answer is -3.76923076923 but to the nearest hundredth it is -3.77
C) 6x=100+4x
This is because since you need to justify buying a membership, you would try and equal the prices between not having a membership which is 6x and having a membership which is 100+4x