About how far did they have to drive every hour?
Understand the Problem
The question is asking for the average speed required to cover a distance of 240 miles in 4 hours. We will solve it by dividing the total distance by the total time.
Answer
$60$ miles per hour.
Answer for screen readers
The average speed required is $60$ miles per hour.
Steps to Solve
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Identify the total distance and time The total distance driven is 240 miles and the total time taken is 4 hours.
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Calculate the average speed To find the average speed, divide the total distance by the total time. The formula is: $$ \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} $$
Using the numbers given: $$ \text{Average Speed} = \frac{240 \text{ miles}}{4 \text{ hours}} $$
- Perform the division Calculating the division: $$ \text{Average Speed} = 60 \text{ miles per hour} $$
The average speed required is $60$ miles per hour.
More Information
This calculation shows that to cover 240 miles in 4 hours, Sam's dad had to drive at an average speed of 60 miles per hour. This concept of average speed is commonly used in travel problems to determine how fast one must go to reach a destination in a given time.
Tips
- Misinterpreting the question and calculating total distance instead of average speed. Always read the question carefully to ensure you're solving for the right variable.
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