If a person can run 10 km in 50 minutes, what is his speed in km/h?
Practice Questions
1 question
Q1
If a person can run 10 km in 50 minutes, what is his speed in km/h?
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Speed = Distance / Time = 10 km / (50/60) h = 10 * (60/50) = 12 km/h.
Questions & Step-by-step Solutions
1 item
Q
Q: If a person can run 10 km in 50 minutes, what is his speed in km/h?
Solution: Speed = Distance / Time = 10 km / (50/60) h = 10 * (60/50) = 12 km/h.
Steps: 7
Step 1: Identify the distance the person ran, which is 10 km.
Step 2: Identify the time it took to run that distance, which is 50 minutes.
Step 3: Convert the time from minutes to hours because speed is usually measured in km/h. To do this, divide the minutes by 60: 50 minutes / 60 = 50/60 hours.
Step 4: Use the formula for speed, which is Speed = Distance / Time.
Step 5: Substitute the values into the formula: Speed = 10 km / (50/60) h.
Step 6: Simplify the equation. To divide by a fraction, multiply by its reciprocal: Speed = 10 km * (60/50).
Step 7: Calculate the speed: 10 * (60/50) = 12 km/h.
