We want to get the ratio of blue circles to the total number of circles. Based on the provided image, there are 3 blue circles and a total of 15 circles. The ratio of blue circles to the total number of circles can be written as
[tex]3\colon15\leftrightarrow\frac{3}{15}[/tex]
This can be simplified further as
[tex]1\colon5\leftrightarrow\frac{1}{5}[/tex]
Explanation as to why the attached answer is wrong:
The answer provided is correct, which is written in simplified form. Maybe try submitting the answer in the original form rather than the simplified form.
Answer: 3:15 or 3/15
Simplified form: 1:5 or 1/5
