Mark walked 5 kilometers per hour. How long did it take him to travel 15 kilometers?Show your solution

To determine how long it took Mark to travel 15 kilometers at a speed of 5 kilometers per hour, you can use the formula:

\[
\text{Time} = \frac{\text{Distance}}{\text{Speed}}
\]

Given:
- Distance = 15 kilometers
- Speed = 5 kilometers per hour

Now, substitute the given values into the formula:

\[
\text{Time} = \frac{15 \text{ km}}{5 \text{ km/h}} = 3 \text{ hours}
\]

So, it took Mark **3 hours** to travel 15 kilometers.

Would you like more details, or do you have any questions?

Here are 5 related questions:
1. How long would it take Mark to walk 20 kilometers at the same speed?
2. If Mark increased his speed to 6 kilometers per hour, how long would it take him to walk 15 kilometers?
3. What distance would Mark cover in 2 hours if he walks at a speed of 5 kilometers per hour?
4. If Mark walked for 3 hours and covered 18 kilometers, what was his average speed?
5. How much faster would Mark need to walk to complete 15 kilometers in 2.5 hours?

**Tip:** Always remember that distance, speed, and time are interconnected. Adjusting one affects the others!

Learn how to calculate the time it takes to travel 15 kilometers at a speed of 5 kilometers per hour. This problem involves using the formula Time = Distance / Speed. Suitable for students in Grades 5-7.

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