Answer:

Step-by-step explanation:
Given


Required
Determine the final score
Final score is calculated as follows:



Add by 4 on each side.
x=8
The truck's values will decrease by 20%. Thus,
New value = 14000 - 0.2 x 14000
New value = 14000(1 - 0.2)
New value = 14000(0.8)
New value = $11,200