Lena = 3.5 hours = 210 minutes

Brother = 210 + 17 = <<210+17=227>>227 minutes

210 + 227 = <<210+227=437>>437 minutes

Together, Lena and her brother played 437 minutes of video games.

# Answer

437
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Lena played video games for 3.5 hours last weekend. Her brother played 17 minutes more than she did. How many minutes together did Lena and her brother play video games last weekend?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
437
Lena played video games for 3.5 hours last weekend. Her brother played 17 minutes more than she did. How many minutes together did Lena and her brother play video games last weekend?
train