Use the ratio of 1 person per 2.5 square feet to estimate the size of a crowd that is 5 feet deep on both sides of a street for a distance of 2 miles and is filled with people. (remember 1 mile = 5280 feet).

To estimate the size of the crowd, we can break the problem into steps:

### Step 1: Calculate the total length of the street in feet.
Given that the distance is 2 miles, and knowing that 1 mile = 5280 feet:

\[
2 \text{ miles} = 2 \times 5280 \text{ feet} = 10,560 \text{ feet}.
\]

### Step 2: Calculate the total area occupied by the crowd.
The crowd is 5 feet deep on both sides of the street. Therefore, the total width of the area occupied by the crowd on both sides is:

\[
\text{Total depth} = 5 \text{ feet (one side)} + 5 \text{ feet (other side)} = 10 \text{ feet}.
\]

So, the total area covered by the crowd is:

\[
\text{Area} = \text{Length} \times \text{Width} = 10,560 \text{ feet} \times 10 \text{ feet} = 105,600 \text{ square feet}.
\]

### Step 3: Estimate the number of people in the crowd.
Using the ratio of 1 person per 2.5 square feet, we can estimate the number of people:

\[
\text{Number of people} = \frac{\text{Area}}{\text{Space per person}} = \frac{105,600 \text{ square feet}}{2.5 \text{ square feet per person}} = 42,240 \text{ people}.
\]

### Conclusion:
The estimated size of the crowd is approximately **42,240 people**.

Would you like more details on this calculation, or do you have any other questions?

### 5 Related Questions:
1. How would the crowd size change if the depth of the crowd on each side was doubled?
2. What if the density increased to 1 person per 2 square feet?
3. How much area would a crowd of 50,000 people occupy at the same density?
4. How does the width of the street affect the size of the crowd?
5. If the street distance was only 1 mile, how many people would fit?

### Tip:
When estimating large quantities, always break the problem into smaller, manageable parts for better accuracy and clarity.

Use the ratio of 1 person per 2.5 square feet to estimate the size of a crowd that is 5 feet deep on both sides of a street for a distance of 2 miles and is filled with people. (Remember 1 mile = 5280 feet).

Learn how to estimate the size of a crowd using a ratio of 1 person per 2.5 square feet, with a street that is 5 feet deep on both sides and 2 miles long. This problem covers key concepts such as geometry, ratios, and unit conversions. Suitable for students in Grades 8-10.

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