500/ 2/5 = 200 seats are already taken.

500/ 1/10 = <<500/1/10=50>>50 seats are broken.

So 200 + 50 = <<200+50=250>>250 seats are either taken or broken.

Therefore, 500 - 250 = <<500-250=250>>250 seats are still available.

# Answer

250
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Two-fifths of the seats in an auditorium that holds 500 people are currently taken. It was found that 1/10 of the seats are broken. How many seats are still available?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
250
Two-fifths of the seats in an auditorium that holds 500 people are currently taken. It was found that 1/10 of the seats are broken. How many seats are still available?
train