Question: A person walks 4 km at a speed of 5 km/h. How long does it take?
Options:
30 minutes
45 minutes
1 hour
1.5 hours
Correct Answer: 30 minutes
Solution:
Time = Distance / Speed = 4 km / 5 km/h = 0.8 hours = 48 minutes.
A person walks 4 km at a speed of 5 km/h. How long does it take?
Practice Questions
Q1
A person walks 4 km at a speed of 5 km/h. How long does it take?
30 minutes
45 minutes
1 hour
1.5 hours
Questions & Step-by-Step Solutions
A person walks 4 km at a speed of 5 km/h. How long does it take?
Step 1: Identify the distance the person walks, which is 4 km.
Step 2: Identify the speed at which the person walks, which is 5 km/h.
Step 3: Use the formula for time, which is Time = Distance / Speed.
Step 4: Plug in the values: Time = 4 km / 5 km/h.
Step 5: Calculate the time: 4 divided by 5 equals 0.8 hours.
Step 6: Convert 0.8 hours into minutes by multiplying by 60 (0.8 * 60 = 48 minutes).
Distance, Speed, and Time Relationship – This concept involves understanding the formula that relates distance, speed, and time, specifically how to calculate time when distance and speed are known.
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