Respuesta :
12 out of 40 to a percentage is 30%
Percentage
A percentage is a number or ratio that can be expressed as a fraction of 100.
Therefore, 12 out of 40 to percentage can represented as follows:
- 12 / 40 × 100
12 / 40 × 100 = 1200 / 40 = 30%
Therefore, 12 out of 40 to a percentage is 30%
learn more on percentage here; https://brainly.com/question/7145318
