<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 Two cars, Car A and Car B, start from locations A and B respectively, traveling towards each other. Initially, the speed ratio of Car A to Car B is 5:4. After they meet, Car A's speed decreases by 20%, and Car B's speed increases by 20%. When Car A reaches location B, Car B is still 10 kilometers away from location A. Determine the distance between location A and location B in kilometers. Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
450
Two cars, Car A and Car B, start from locations A and B respectively, traveling towards each other. Initially, the speed ratio of Car A to Car B is 5:4. After they meet, Car A's speed decreases by 20%, and Car B's speed increases by 20%. When Car A reaches location B, Car B is still 10 kilometers away from location A. Determine the distance between location A and location B in kilometers.
test