Ludwig earns a total of $10 x 4 = $<<10*4=40>>40 from Monday to Thursday.

He earns $10/2= $<<10/2=5>>5 per day on Friday, Saturday, and Sunday.

So, his total salary for Friday, Saturday, Sunday is $5 x 3 = $<<5*3=15>>15.

Therefore, his total weekly salary is $40 + $15 = $<<40+15=55>>55.

# Answer

55
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Ludwig works 7 days a week and he usually works half of the day during Friday, Saturday, and Sunday. If his daily salary is $10, how much does he earn every week?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
55
Ludwig works 7 days a week and he usually works half of the day during Friday, Saturday, and Sunday. If his daily salary is $10, how much does he earn every week?
train