\frac{1}{5}
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If Heidi can paint a wall in 45 minutes, what fractional part of the wall can she paint in 9 minutes?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{1}{5}
If Heidi can paint a wall in 45 minutes, what fractional part of the wall can she paint in 9 minutes?
train