Im pretty sure its 1 but I might be wrong if i did the math wrong
Answer:
<em>Hope it helps ... Have a nice day </em>
Step-by-step explanation:

B. and D. work. You are trying to figure out how many more cars they painted in the first and second years together than the third year. (5,000+7,213)-8,201=4,012
27 is 3 as many times the number 9