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The problem presents race completion times for four runners: Joe, Ellen, Steve, and Patty. The times given are:

- **Joe**: \(12 \frac{1}{2}\) seconds (or 12.5 seconds)
- **Ellen**: 12.09 seconds
- **Steve**: \(12 \frac{2}{5}\) seconds (or 12.4 seconds)
- **Patty**: 12.8 seconds

The task is to rank these runners from fastest to slowest based on their completion times.

First, convert all the times into decimal form for easier comparison:
- **Joe**: \(12 \frac{1}{2} = 12.5\) seconds
- **Ellen**: 12.09 seconds (already in decimal form)
- **Steve**: \(12 \frac{2}{5} = 12.4\) seconds
- **Patty**: 12.8 seconds (already in decimal form)

Now, sort the times from fastest to slowest:
1. **Ellen**: 12.09 seconds (fastest)
2. **Steve**: 12.4 seconds
3. **Joe**: 12.5 seconds
4. **Patty**: 12.8 seconds (slowest)

Thus, the correct order from fastest to slowest is:
**Ellen, Steve, Joe, Patty**.

Would you like more details or have any questions about the explanation?

Here are five related questions to consider:
1. How do you convert mixed fractions like \(12 \frac{2}{5}\) to decimal form?
2. What is the method for comparing decimal values with fractions?
3. Can you think of another way to rank times without converting fractions?
4. Why is it important to compare times or values in a standardized form?
5. What are some real-world applications where comparing decimal and fraction values is important?

**Tip**: When dealing with mixed fractions, always convert them to decimal form for easier comparison, especially in timed events.

Which list shows the runners in order by their completion times from fastest to slowest?

Find the correct order of runners' race times from fastest to slowest by converting fractions to decimals and comparing times. Learn how to handle mixed fractions and decimals in race-time problems. Suitable for students in Grades 5-6.

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