First add the number of snowballs each person made to find the total: 50 snowballs + 150 snowballs = <<50+150=200>>200 snowballs

Then divide the number Janet made by the total number and multiply by 100% to express the answer as a percentage: 50 snowballs / 200 snowballs * 100% = 25%

# Answer

25
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Janet makes 50 snowballs and her brother makes 150 snowballs. What percentage of the snowballs did Janet make?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
25
Janet makes 50 snowballs and her brother makes 150 snowballs. What percentage of the snowballs did Janet make?
train