There were 400/2=<<400/2=200>>200 people in attendance

So that means each person paid 2000/200=$<<2000/200=10>>10

So if 300 people attended they would have made 300*10=$<<300*10=3000>>3000

# Answer

3000
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Tom attends a party that collects $2000.  Half the school attended and the school had 400 people.  How much would they have made if 300 people attended?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3000
Tom attends a party that collects $2000.  Half the school attended and the school had 400 people.  How much would they have made if 300 people attended?
train