What is 3.05 as a mixed number?

To convert 3.05 to a mixed number, we first need to separate the whole number part from the decimal part. The whole number part is 3, and the decimal part is 0.05. To convert the decimal part to a fraction, we place 0.05 over 100 (since there are two decimal places). Simplifying, we get 3 5/100, which reduces to 3 1/20 as the mixed number.