Twice the amount of money Darwin has is $45 x 2 = $90.
Mia has $20 more than twice the amount of money Darwin has, so she has $90 + $20 = $110.
Therefore, Mia has $110.
#### 110
The answer is: 110
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
If Darwin has $45 and Mia has $20 more than twice as much money as Darwin, what is the amount of money that Mia has?

### Answer:
