<|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
 In a neighborhood having 90 households, 11 did not have either a car or a bike. If some households had both a car and a bike and 44 had a car, there were 35 households with a bike only. How many households had both a car and a bike? 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
9
In a neighborhood having 90 households, 11 did not have either a car or a bike. If some households had both a car and a bike and 44 had a car, there were 35 households with a bike only. How many households had both a car and a bike?
test