Final answer:
The incorrect option for writing a ratio is 'With'. Ratios can be written as fractions, with a colon, or with the word 'to'.
Step-by-step explanation:
The question asks which of the following is not one of the three ways to write a ratio. The options given are: Colon, To, With, and Fraction. Ratios are a way to compare two quantities and can be written using a colon (2:3), the word "to" (2 to 3), or as a fraction (2/3). Therefore, the option that is not one of the three ways to write a ratio is With.
The correct answer is Option 3: With.
When writing a ratio, you can use a colon, the word 'to', or a fraction. However, using the word 'with' is not a common or accepted way to write a ratio. Therefore, Option 3 is not one of the three ways to write a ratio.