67:67

Here are the common interpretations:

• As a ratio: 67:67 simplifies to 1:1 (divide both terms by gcd 67).
• As a fraction: 67/67 = 1
• As a percentage: 1 corresponds to 100%

If you meant something else (e.g., a proportion, a math problem with 67 and 67, etc.), please share the context.