I hope this is right, but I think it should take a remaining six hours for the new guy to fix your car. He worked on it for two hours with the other mechanic, but it still takes him 8 hours total to fix the car. So he still has six more hours to fix your car. Again, I hope this is right.
Answer:

Step-by-step explanation:
Given


Required
Determine the relationship between x and y
First, we calculate the unit rate, using:

Where k is the unit rate.
Substitute 176 for y and 44 for y

Divide both sides by 44




Substitute 4 for k in 

Hence, the relationship between x and y is: 
72/6 = 12
The awnser is x = 12