Let Y be the number of cars needed to be added to the current monthly production.

Then ((100 + Y) * 12) = 1800.

So 1200 + 12 * Y = 1800.

12 * Y = 1800 - 1200 = 600

Y = 600 / 12 = <<600/12=50>>50

# Answer

50
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A car manufacturing company that produces 100 cars per month wants to increase its production to reach 1800 cars per year. How many cars should the company add to the monthly production rate to reach that target?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
50
A car manufacturing company that produces 100 cars per month wants to increase its production to reach 1800 cars per year. How many cars should the company add to the monthly production rate to reach that target?
train