Twice the money of Darwin is 2 * $45 = $<<2*45=90>>90.

The money that Mia have is $20 + $90 = $<<20+90=110>>110.

# Answer

110
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Mia has $20 more than twice as much money Darwin has. If Darwin has $45, how much money does Mia have?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
110
Mia has $20 more than twice as much money Darwin has. If Darwin has $45, how much money does Mia have?
train