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The problem asks why the proposed parade route does not meet the requirement of being less than or equal to 3 miles. From the image provided, the parade route travels along two streets: Broadway and Central Avenue. Each grid unit is equal to 0.25 miles.

We need to calculate the lengths of the segments along Broadway and Central Avenue in terms of both grid units and miles.

### Let's analyze step by step:

1. **Length along Broadway**:
   - On the grid, the route starts at \( (12, 2) \) and moves to \( (6, 2) \) along Broadway. 
   - The difference in the x-coordinates is \( 12 - 6 = 6 \) units.
   - Since each unit equals 0.25 miles, the length along Broadway is:
     \[
     6 \text{ units} \times 0.25 \text{ miles/unit} = 1.5 \text{ miles}.
     \]

2. **Length along Central Avenue**:
   - The route then continues from \( (6, 2) \) to \( (6, 6) \) along Central Avenue.
   - The difference in the y-coordinates is \( 6 - 2 = 4 \) units.
   - Since each unit equals 0.25 miles, the length along Central Avenue is:
     \[
     4 \text{ units} \times 0.25 \text{ miles/unit} = 1.0 \text{ miles}.
     \]

3. **Total Length of the Route**:
   - Summing the two lengths, we get:
     \[
     1.5 \text{ miles} + 1.0 \text{ miles} = 2.5 \text{ miles}.
     \]

Since the total distance (2.5 miles) is less than the maximum allowable distance of 3 miles, this raises a question about the interpretation of the requirement. It is possible that the map extends beyond what is visible or that there are other parts of the problem to consider.

Would you like further clarification or a more detailed explanation?

### Related Questions:
1. How do we calculate distances on a coordinate grid?
2. What is the importance of unit conversion in word problems?
3. How do grid units help in solving real-world problems?
4. Why is it important to round answers in certain scenarios?
5. How could adding another street affect the total route length?

**Tip**: Always double-check the unit conversions to ensure accuracy in the final result.

A parade route must start and end at the intersections shown on the map. The city requires that the total distance of the route cannot exceed 3 miles. A proposed route is shown. Answer parts a-c. Why does the proposed route not meet the requirement?

Analyze a parade route on a coordinate grid to determine if the total distance exceeds 3 miles. Learn how to calculate distances along Broadway and Central Avenue using unit conversions on a grid. Suitable for middle school students in Grades 6-8.

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