After just 4 tenths of a 2.5 -mile race was completed, Lenox took the lead and remained there until the end of the race. a. How many miles did Lenox lead the race?

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To determine how many miles Lenox led the race, let's break down the information provided:

1. **Total Race Distance:** 2.5 miles.
2. **Point When Lenox Took the Lead:** After 4 tenths (or 0.4) of the race was completed.

- **Distance Completed Before Lenox Took the Lead:**  
     $$ 0.4 \times 2.5 \text{ miles} = 1 \text{ mile} $$

3. **Distance Lenox Led:**  
   Since Lenox took the lead after 1 mile and remained in front until the end of the race:
   $$
   2.5 \text{ miles (total)} - 1 \text{ mile} = 1.5 \text{ miles}
   $$

**Answer:**  
Lenox led the race for 1.5 miles.
Lenox led the race for 1.5 miles.

After just 4 tenths of a 2.5 -mile race was completed, Lenox took the lead and remained there until the end of the race. a. How many miles did Lenox lead the race?

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