Rachel makes $12.00 as her hourly wage.
She served 20 different people and each person left her a $1.25 tip.
So, the total tip she earned is 20 * $1.25 = $25.00.
In one hour, Rachel earned $12.00 + $25.00 = $37.00.
Therefore, Rachel earned $37.00 in one hour as a waitress in the coffee shop.
#### 37
The answer is: 37
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
How much money did Rachel earn in one hour as a waitress in a coffee shop if she makes $12.00 and serves 20 different people, each leaving her a $1.25 tip?

### Answer:
