Question
Alondra is nearly 6 feet tall. Her normal stride is 36 inches long. She wants to walk 4 miles each day for exercise. The table below shows how many strides Alondra will need to take to gradually build up to walking 4 miles. How many strides will Alondra need to take to complete 3 ​miles?
Answers
GPT-4o mini
To determine how many strides Alondra needs to take to complete 3 miles, we can follow these steps:
1. **Convert miles to inches**:
- There are 5280 feet in a mile, and 12 inches in a foot.
- Therefore, in one mile, there are \( 5280 \times 12 = 63360 \) inches.
- For 3 miles, the calculation is:
\[
3 \text{ miles} \times 63360 \text{ inches/mile} = 190080 \text{ inches}
\]
2. **Calculate the number of strides**:
- Alondra's normal stride is 36 inches.
- The number of strides required to walk 3 miles is given by dividing the total inches by the length of one stride:
\[
\text{Number of strides} = \frac{190080 \text{ inches}}{36 \text{ inches/stride}} \approx 5276.67
\]
Since she can't take a fraction of a stride, we round this number up:
\[
\text{Number of strides} \approx 5277
\]
Therefore, Alondra will need to take approximately **5277 strides** to complete 3 miles.
1. **Convert miles to inches**:
- There are 5280 feet in a mile, and 12 inches in a foot.
- Therefore, in one mile, there are \( 5280 \times 12 = 63360 \) inches.
- For 3 miles, the calculation is:
\[
3 \text{ miles} \times 63360 \text{ inches/mile} = 190080 \text{ inches}
\]
2. **Calculate the number of strides**:
- Alondra's normal stride is 36 inches.
- The number of strides required to walk 3 miles is given by dividing the total inches by the length of one stride:
\[
\text{Number of strides} = \frac{190080 \text{ inches}}{36 \text{ inches/stride}} \approx 5276.67
\]
Since she can't take a fraction of a stride, we round this number up:
\[
\text{Number of strides} \approx 5277
\]
Therefore, Alondra will need to take approximately **5277 strides** to complete 3 miles.