**66.6 Repeating as a Percent: Understanding the Concept**

**What does 66.6 repeating mean?**

66.6 repeating is a decimal number that has an infinite string of 6's after the decimal point. It is also known as a recurring or repeating decimal. This decimal is written as 0.666..., where the dots indicate that the sequence of 6's goes on indefinitely.

**Converting 66.6 Repeating to a Percent**

To convert 66.6 repeating to a percent, we need to understand that a percent is a ratio of a number to 100. To convert the decimal to a percent, we can multiply it by 100.

**The Calculation**

0.666... × 100 = **66.6%**

**Understanding the Result**

The result of 66.6% means that the decimal 0.666... is equal to 66.6 parts out of 100. This can be represented as a fraction, 2/3, which is also equal to 66.6%.

**Real-World Applications**

66.6% has practical applications in various fields, such as:

### Business and Finance

**Return on Investment (ROI)**: If an investment yields a 66.6% return, it means that for every dollar invested, the return is 66.6 cents.

### Statistics

**Probability**: If a probability is 66.6%, it means that there is a 2/3 chance of an event occurring.

### Engineering and Architecture

**Dimensions**: If a building's dimensions are scaled at 66.6%, it means that the actual dimensions are 2/3 of the original size.

**Conclusion**

In conclusion, 66.6 repeating as a percent is a unique concept that has practical applications in various fields. Understanding the conversion of 0.666... to 66.6% helps us better comprehend ratios and proportions in everyday life.